Answer:
40%
Step-by-step explanation:
20-12 = 8 difference
8/ 20 x100 = the percentage change = 40%
√a x √b =√axb so find 2 numbers that multiple to make the number (1 must be a square number)
√90 can be split into √9 x √10 and √9 is 3 so is 3√10 and the next questions are solved the same
√306 is 3√34
√73 is 3√8
√236 is 2√59
√3600 is 60
√5120 is 8√80
Answer:
i. Mallory should buy the 10-ounce box of cereal.
ii. Difference is that the 13-ounce cost more on 1-ounce.
Step-by-step explanation:
First find the ounce/cost. Which 1-ounce of the $2.79 box of cereal is $0.28/ounce. The $3.99 box of cereal is $0.31/ounce. Therefore the $2.79 is cheaper to buy. The difference is 13-ounce box (which is 3 cents more) cost more in ounce than the 10-ounce.
Answer:
d,b
Step-by-step explanation:
Let's solve for x.
15x−16y=60
Step 1: Add 16y to both sides.
15x−16y+16y=60+16y
15x=16y+60
Step 2: Divide both sides by 15.
15x
15
=
16y+60
15
x=
16
15
y+4
I think it is 6 and 16 but I could be wrong. Wait for more answers
