SOLUTION: a farmer harvested 21 tons of fruit this year. If this quantity is 70% of last year's crop, what was the decrease in tons of fruit harvested this year compared to last year?

Algebra.Com
Question 181814: a farmer harvested 21 tons of fruit this year. If this quantity is 70% of last year's crop, what was the decrease in tons of fruit harvested this year compared to last year?
Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
21 is 70% of last years crop(x)
:
21 =  .7  *                  x
:
21=.7x
:
divide both sides by .7
:
tons from last years crop

RELATED QUESTIONS

This year's soybean crop of 224,000 tons represents an increase of 40% over last year's... (answered by nyc_function)
40% of the tomato production at the TC3 farm is harvested in july. if 2 tons of tomatoes... (answered by addingup)
This year's soybean cop of 224,000 tons represents an increase of 40% over last year's... (answered by jorel1380)
In 2005, a candyland produced 0.9 million tons of cane sugar. Annual production was... (answered by checkley79)
I am trying to figure out the following story problem and could really use your help!... (answered by scott8148)
[Ok, so I have two problems Im REALLY stuck on....] #1 Each set of 3 points is... (answered by rothauserc)
If last year, 47% of internet users wanted to decrease the time spent online and this... (answered by ewatrrr)
a certain municipality recycled eight times as many tons of plastic as yard waste in one... (answered by macston)
Last year a company spent $5,000 on office supplies. This year they spent only $4500.... (answered by oscargut)