Answer:
40 seconds
Step-by-step explanation:
The ratio would be 3:120, indicating the amount of times it went up for air in 120 seconds. In order to find the answer, we'll find the unit rate. 120 divided by 3 is evenly 40. That means, the unit rate is 1:40. It also means that 40 seconds went by before the manatee surfaced the first time (if it held its breath for the same rate).
Answer:
Sophia is 17 years old. Sophia's brother is 11 years old.
Step-by-step explanation:
Alright so here it is
325/50=6.5
6.5*2=13
It would take 13 millimeters of sunscreen to cover 325 cm of skin
You know that the sum of the interior angles in a triangle is 180
we will add all the angles,
(x+8)+(2x-8)+(3x-12)=180
x+8+2x-8+3x-12=180 8 and -8 cancel out
6x-12=180
6x=180+12
6x=192
x=192/6=32
x=32
23. Option A: 4p + 175 = 375
24. $50 per monthly payment if the down payment is $175
25. Option C: 28x + 64 = 456
26. $14 for a haircut
27. a. See the diagram attached. It was drawn on Google Drawing so obviously not to scale but you get the gist.
b.
Not quite sure what a verbal model is but with the diagram you should be able to describe it.
4 bookshelves, 2 on each side, in an entertainment center and a middle section of 30 inches wide all add up in its entirety to equal 90 inches.
c.
4x + 30 = 90
d.
4x = 60
x = 15
The bookcases are each 15 inches wide