Nine I believe, because fifth teen divided by five equals three
three times three equals nine.
Anna could have bought 3 boxes, which would serve 2 cupcakes to each child.
Answer: x=20
Step-by-step explanation:
63-x=2x+3
-x-2x+63=3
-x-2x=3-63
-3x=3-63
-3x=-60
-3x/3=-60/3
X=20
please mark me brainliest!!
Answer:
The model is 6 inches tall.
Step-by-step explanation:
Write and solve an equation of ratios:
10 in. x
--------- = ----------
40 ft. 24 ft.
Cross-multiplication yields:
240 in = 40x, so x = 6 inches.
The model is 6 inches tall.
Answer:
B
Step-by-step explanation:
they are similar and 7 / 5 = 21 / 15