Solve the proportion using cross products. 29 miles/58 hours = 10 miles/n hours
Step-by-step explanation:
15000-15% =14250
the answer is 750
Answer:
C. 
Step-by-step explanation:
1. 
2. 
3. Equation solutions:

Answer:
2.1
Step-by-step explanation:
(21-3)/3 to the power of 2
19/3 to the power of 2
19/9
2.1
Answer:
15
Step-by-step explanation:
Let's call Leah's age l and Rachel's age r. We can write:
l = 3r - 2 (1)
l + 3 = 2(r + 3) + 7 (2)
Substituting (1) into (2) we get:
(3r - 2) + 3 = 2(r + 3) + 7
3r + 1 = 2r + 13
r = 12
In 3 years Rachel will be 12 + 3 = 15 years old.