He did not distribute correctly in the first step.
4(x+2)=30
4x + 8=30
He should have distributed the 4 to the 2 as well.
Answer:
C I think
Step-by-step explanation:
First, you want to find out how many feet in a yard
3ft=1yd
so you do 21/3 to get your yard, and the answer is 7 yard
17 yard is greater than 7 yard so 17 is the answer
Hb=3.5, hd=2.25, hb+hd=7,
From the third, we can say hb=7-hd and we are told that:
3.5hb+2.25hd=19.5 using hb found above in this equation gives you:
3.5(7-hd)+2.25hd=19.5
24.5-3.5hd+2.25hd=19.5
-1.25hd=-5
hd=4
Carmen bought 4 hotdogs.
Answer:
55miles per hour
Step-by-step explanation:
