-2x(-4)=8x
-9(-4)=36
8x+36 is the answer
Answer:
4 hours
Step-by-step explanation:
42x?=168
?=4
Answer:
Angela, a proportion is two equal ratios, kinda like 3/4 = 6/8.
If we call the number of cars c, then our proportion is 3/10 = c/100.
Cross multiplying, we get 10c = 300.
Dividing both sides by 10, c = 30.
