Alex has a $40 online gift voucher he plans to buy as many books as he can the cost of each book is $4 there's also a single shipping charge of $2 how many books can he buy without spending more than his gift voucher amount

9

Step-by-step explanation:4 x 10=£40

4 x 9=£36 +£2 shipping

75

step-by-step explanation:

you do x-29=46 (the number of cantaloupes sold)

in order to find x, you have to find what minus 29 equals 46, meaning you'd have to add 29 to 46.

29+46=75

if you replace x with 75, the equation looks like:

75-29=46

x=75