Answer:
<span>a=15</span>
Explanation:
<span>5a−10b=45</span> , when <span>b=3</span>
Substitute the value of b into the equation.
<span>5a−10<span>(3)</span>=45</span>
Solve for a.
<span>5a−10<span>(3)</span>=45</span>
<span>5a−30=45</span>
<span>5a=75</span>
<span>a=<span>15</span></span>
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Answer:
A.It is a proportional relationship
Step-by-step explanation:
Because if you take each amount of dollars earned and divide it by each number of hours it gives you 12.5 every single time
Answer:
x > 8
Step-by-step explanation:
5x > 40
40/5 = 8
x> 8
subtract 14
divide by 5
#1 - 8/7 7:8
#2 -3:4
#3 - 3:8
#4 -4:3
Actually, this is false. 6 and 4 both have <em>12 </em>in common because 6*2=12 and 4*3 is 12. So the least common denominator is really 12.
