Question

a pear cost x cent.an orange cost y cent less than a pear find the cost of half a dozen of oranges

Answer 1

Answer:

FRUIT                           PRICE

Pear                                x

Orange                           x-y

4Pear&6-Orange          4x+6(x-y)

You can now see what next to do.

Cost of a pear=x cents

Cost of an orange=(x-y) cents

Cost of 4 pears=4x cents

Half a dozen means 6 oranges

Cost of 6 oranges=6(x-y) cents

Total cost=Cost of 4 pears+Cost of 6 oranges=4x+6(x-y)=4x+6x-6y=10x-6y

Answer =  10x-6y cents