Here is my calculation:
30 x 10= 300
Answer:
1/7
Step-by-step explanation:
In the term x/7, the numerical multiplier of x is 1/7.
80% of (Cost) = $68
80% is also 0.8:
0.8 x Cost = $68
dividing each side by 0.8
Cost = 68 / 0.8 = 85 = $85
Answer:
Step-by-step explanation:
5x + 2 = 4x - 9
Collecting like terms
5x - 4x = -9 - 2
x = -11