Answer:
1. Benny had 266 dollars to spend on 9 books. After buying them, he had 14 dollars. How much did each book cost?
The books cost $28 dollars each.
how to calculate...
$266 - $14 = $252
then take $252 divided by 9 = $ 28
2. Oceanside Bike Rental Shop charges 14 dolars plus 9 dollars an hour for renting a bike. Sally paid 86 dollars to rent a bike. How many hours did she pay to have the bike checked out?
8 hours
how to calculate...
take 86 - 14 = 72
then 72 divided 9 = 8 hours
3. The sum of three consecutive numbers is 132. What is the smallest of the three numbers?
43 is the smallest of the 3 numbers
calculation...
x + (x+1) + (x+2) = 132
3x + 3 = 132 -3
3x=129
x=129/3
x=43 (answer for the 1st number)
43+1=44 (answer for the 2nd number)
43+2=45 (answer for the 3rd number)
add them all to make sure they equal to 132
43+44+45=132
132=132
4. Sandy sold half of her comic books and then bought 8 more. She now has 16. How many did she begin with?
x= how many Sandy started with
1/2 x + 8 = 16
1/2x = 16 - 8
1/2x = 8 * 2
x = 16 comics books
Step-by-step explanation:
