Answer:
Bert's age is 15 Ernie's age is 53
Step-by-step explanation:
Answer:
17.6%
Step-by-step explanation:
The general formula for the percent change of an amount:

Using the amounts given:

Answer:
you will find out if the number is a multiple of the numbers.
Step-by-step explanation:
3×5=15
3×4=12
3×8=24
Answer:
12.5=4x+2.5 is the equation. First you would subtract 2.5 from both sides, leaving 10=4x. Then you divide by 4 and your answer would be x=2.5
Step-by-step explanation: