6x - 2 = x + 13
Subtract x
5x - 2 = 13
Add 2
5x = 15, x = 3
Solution: the number is 3
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Answer:
18 remainder 15
Step-by-step explanation:
31.5
because 3 gallons are lost per minute so 3 x 10.5= 31.5
Answer:
25.2 minutes
Step-by-step explanation:
step 1
Find the area of the given wall

step 2
we know that
You can paint 75 square feet of a surface every 45 minutes
so
using proportion
Find out how long it takes you to paint a surface area of 42 square feet
