Answer:
huh cant see the pic
Step-by-step explanation:
Answer:
y+30
Step-by-step explanation:
the sum of the numbers is 15y
the new sum after increase each number by 30 is 15y+450
the new mean 15y+450/15
= y+30
There are 36 inches in a yard so 36*2.54 = 91.44 centimeters