Abanana costs three times as much as an apple. the total cost of 1 banana and1 apple is $1.60. if a represents tge cost of 1 apple, which equation could you use to find a?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.