Answer:
Pet show question:
40 dogs in total. They need 4 minutes each and 1 minute for cleaning. Each dog needs 5 minutes each.
40 (4+1) = 160 + 40 = 200 minutes
Question 10:
(20-12)6-5(5-3)
Distribute (multiply) the 6 to the left parentheses and -5 to the right parentheses.
20 * 6 = 120 -12 * 6 = -72 -5 * 5 = -25 -5 * -3 = 15
120 - 72 - 25 + 15 = 48 - 25 + 15 = 23 + 15 = 38
Austin and the museum question:
$5.45 and $4.75 per person. Austin and 5 siblings = 6 people
6 ( 5.45 + 4.75 )
Distribute (multiply) the six to everything in the parentheses
32.7 + 28.5 = $61.20
Dee and lillies question:
3 lillies are on each table. There are 10 tables in total.
3 * 10 = 30 lillies needed
Each lilly costs $0.92. Multiply 30 lillies by how much they cost.
30 * 0.92 = $27.60
Last question:
2(24 + 9) + 2(15 - 8)
Distribute (multiply) the 2 to the 24 and 9 and the other 2 to the 15 and -8.
2 * 24 = 48 2 * 9 = 18 2 * 15 = 30 2 * -8 = -16
48 + 18 + 30 - 16 = 66 + 30 - 16 = 96 - 16 = 80
I really hope this helps.