Let the unknown number be x.
x × -7 = 7 (x + -40)
-7x = 7x - 280
-14x = -280
x = 280/14
x = 20
Hope this helps!
Answer:
see explanation
Step-by-step explanation:
Given
q = + s ( subtract s from both sides )
q - s =
Multiply both sides by r
r(q - s) = p
40 minutes is not a full hour so you need to convert this to hours
40 minutes / 60 minutes = 2/3 of an hour
So a car driving at the rate of 34 2/3 mph will go
34 2/3 * 2/3 = Miles in 40 minutes
40 * (4/9) = ?or
160/9 = ? or
17 7/9 Miles
Answer:
Step-by-step explanation:
We need to find an equivalent expression for
The denominator of first fraction is 3 and that of other is 1.
or
Hence, the equivalent expression is .
Answer:
Instead of dividing 64 by 8, Jasper should have multiplied 64 by 8 in the last step. The correct answer is 512.