the cost of 3 apples and 5 pears was 280 dollars. if the apple's cost increased by 10 dollars and the pears cost stayed the same, after the change; 2 apples and 4pears were 220 dollars. what was the cost of one pear and the cost of one apple?

~sorry for the english.

Question

the cost of 3 apples and 5 pears was 280 dollars. if the apple's cost increased by 10 dollars and the pears cost stayed the same, after the change; 2 apples and 4pears were 220 dollars. what was the cost of one pear and the cost of one apple?

~sorry for the english.

anonymous · Answer

that is alot of money for those apples and pears

anonymous · Answer

its translated xD i changed the currency too ^-^

ajprincess · Answer

Say that the price of an apple is x and the price of a pear is y.
Then
3x+5y=280
Nw after increasing the price of apple by 10
the price of an apple will be x+10
Then
2(x+10)+4y=220
2x+20+4y=220
x+10+2y=110
x+2y=100
Solve the simultaneous eqns
x+2y=100
3x+5y=280
to get the price of apple and pear

anonymous · Answer

thank you!

ajprincess · Answer

yw.:)