Answer:
4 years old
Step-by-step explanation:
Tracy's age = x
Tracy's mother's age = 6x
x + 6x = 28
7x = 28
x = 4
Tracy is 4 years old
Answer:
To empty the aquarium it takes 26 minutes
Step-by-step explanation:
step 1
Find the volume of the aquarium
The volume of rectangular prism is

we have

substitute the given values

step 2
Divide the volume by the rate of 396 in^3 per minute

therefore
To empty the aquarium it takes 26 minutes
Answer:
$81.5475 or to round it $81.55
Step-by-step explanation:
Simple steps:
1) Add the 2 items
2) Multiply by 0.75. because 25% discount = 75% of item
($72.49+$36.24)x0.75 = $81.5475 or $81.55
Answer:
<u>Pete jumped the rope 139 times</u>
Step-by-step explanation:
Let's answer the question this way, adding the four numbers given:
38 + 50 + 22 + 29 =
88 + 51 =
139
<u>Pete jumped the rope 139 times</u>
As the weight increases, the price increases.