SOLUTION: 49. Victoria weighs 5/7 as much as Mario. Victoria weighs 125 lb. How much does Mario weigh? 50. Denise's cell phone plan is $29.95 per month plus $.10 per minute for each min

Algebra ->  Equations -> SOLUTION: 49. Victoria weighs 5/7 as much as Mario. Victoria weighs 125 lb. How much does Mario weigh? 50. Denise's cell phone plan is $29.95 per month plus $.10 per minute for each min      Log On


   



Question 158194This question is from textbook Florida FCAT Daily Skills & Practice Workbook
: 49. Victoria weighs 5/7 as much as Mario. Victoria weighs 125 lb. How much does Mario weigh?

50. Denise's cell phone plan is $29.95 per month plus $.10 per minute for each minute over 300 minutes of call time. Denise's cell phone bill is $99.95. For how many minutes was she billed?
Thanks :)
This question is from textbook Florida FCAT Daily Skills & Practice Workbook

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
49. Victoria weighs 5/7 as much as Mario. Victoria weighs 125 lb. How much does Mario weigh?
Let M = Mario's weight
then from:"Victoria weighs 5/7 as much as Mario. Victoria weighs 125 lb" we get:
125 = (5/7)M
To solve, start by multiplying both sides by 7:
875 = 5M
Finally, divide both sides by 5:
175 lbs = M (Mario's weight)
50. Denise's cell phone plan is $29.95 per month plus $.10 per minute for each minute over 300 minutes of call time. Denise's cell phone bill is $99.95. For how many minutes was she billed?
Let m = minutes billed
"cost" = "per month charge" + ".10 per minute (over 300)"
99.95 = 29.95 + .10m
70 = .10m
70/.10 = m
700 minutes = m (number of minutes billed)