1 answer:
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1. 392/7= 56
2. 728/56= 13
it would take them 13 hours.
Answer:
x=2
Step-by-step explanation:
combine like terms to get 15x=30. divide by 15 on both sides to get x=2
Add 4 to both sides
-10 + 4 = 2a
Simplify -10 + 4 to -6
-6 = 2a
Divide both sides by 2
-6/2 = a
Simplify 6/2 to 3
-3 = a
Switch sides
<u>a = -3</u>
D
They are the same length :)