Answer:
The error made by the student was that they didn't distribute the 7 first, they just added -2 and 7. The correct way would be to distribute first:
-2+7(x+8)
-2+7x+56
54+7x
*Hey! Hope this helped : )*
Hey there,
The answer is 15.7 inches
Hope I helped
The answer is 153+(-152)= 1
75 cookies
Step-by-step explanation:
500 × 0.25(3/4 cookies sold)= 125
125 - 0.4(2/5 gave to her friends) = 75
75 cookies remain