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Tutors Answer Your Questions about percentage (FREE)
Question 207418This question is from textbook New Syllabus Mathematics book 4
: Actually, the question is quite easy. However, I feel some hindrance in solving the question (b). Kindly solve it with reasonable explanations. I would be highly obliged.
In 1999, there were 1080 Singaporeans infected with the Aids virus, 150 more than in 1998. Of these, 11 were babies who caught the virus from their mothers, 126 were women 88 of these were married.
Calculate
(a) the percentage increase in the number of Aids cases from 1998 to 1999
(b) the percentage of male Aids carriers in the 1080 Singaporeans
(c) the percentage of women Aids carriers who were married.
I hope somebody will solve it. Thank you.This question is from textbook New Syllabus Mathematics book 4
Click here to see answer by stanbon(26262)  |
Question 210396This question is from textbook Longman mathematics for IGCSE book 1
: For both sizes of tin for this year calculate the number of grams per penny correct to 4 significant figures. Analyse your answer using percentages. Comment on your result. This table shows contents (in g) and price (in p) for two sizes of tins of baked beans in the UK.
1976 mass (g) 1976 cost (p)
Large tin=794 large tin=28.5
Small tin=142 small tin=7
Please solve my question. It is really urgent. I hope someone would solve it.Thankyou very much indeed.This question is from textbook Longman mathematics for IGCSE book 1
Click here to see answer by Earlsdon(4900)  |
Question 210396This question is from textbook Longman mathematics for IGCSE book 1
: For both sizes of tin for this year calculate the number of grams per penny correct to 4 significant figures. Analyse your answer using percentages. Comment on your result. This table shows contents (in g) and price (in p) for two sizes of tins of baked beans in the UK.
1976 mass (g) 1976 cost (p)
Large tin=794 large tin=28.5
Small tin=142 small tin=7
Please solve my question. It is really urgent. I hope someone would solve it.Thankyou very much indeed.This question is from textbook Longman mathematics for IGCSE book 1
Click here to see answer by stanbon(26262)  |
Question 211090: I get the problem down to step 4 but I am confused if I need to change the
1 x/2 to 3/2 and if the Lcd is 2 or 4 Please help thanks. This is what I have for step four 4(x/2 + 1 x/2)=4(1)
Solve using the five step method. Show all work
Bob can groom a horse in 2 hours. Eddie can do it in 1 1/2 hours. How long will it take to groom one horse if they work together?
Click here to see answer by stanbon(26262)  |
Question 211089: I know the answer to this problem is $280,000.00 But I get confused showing all the steps. Please help thanks
Sovle algebraically, using the five step method
A house sells for $160,000 and has a sales tax of $8,000. How much does a house sell for whose tax in $14,000.
Click here to see answer by stanbon(26262)  |
Question 211183: Not sure if this question belong here but it has to do with percentage change.
The question is-
the power of an electric circuit is given by P=I^2 R whre I= current and R= resistance
Find the % change in Power if the current is halved and resistance decreases by 25%.
Thank you.
Click here to see answer by rfer(2688)  |
Question 211183: Not sure if this question belong here but it has to do with percentage change.
The question is-
the power of an electric circuit is given by P=I^2 R whre I= current and R= resistance
Find the % change in Power if the current is halved and resistance decreases by 25%.
Thank you.
Click here to see answer by Alan3354(6078)  |
Question 215750: I need help with this problem, i tried using the percentage calculator but i could figured it out with this problem.
Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
Click here to see answer by rfer(2688)  |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440
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