9- find the ratio for boys to total student -> 5:12
x : 24 = 5 : 12
x = 10 boys
10- 800miles/60 minutes = 160miles/x minutes
x = 12 minutes
Answer:
$ 8.74
Step-by-step explanation:
After Yu spends the 2.80, he is left with 17.49
Half of 17.49 is 8.74
Answer:
55
Step-by-step explanation:
to get rs you simply add st and rt together,
Answer:
B. -1
Step-by-step explanation:
STEP 1: Simplify 3x+2(x−9).

STEP 2: Add 8x and x.

STEP 3: Move all terms containing x to the left side of the equation.

STEP 3: Move all terms not containing x to the right side of the equation.

STEP 4: Divide each term by −4 and simplify.
