Step-by-step explanation:
B/-7 = 4
Cross multiple
-7×4 = B
-28 = B
Answer:
-28
First, multiply 4*-7= -28.
You're done. B=-28
Hope this helps!
C.
half of y = 1/2 *y
Difference between x and half of y
= x - 1/2 y
30