Answer:
so whats the question
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
20/100
= 0.2
0.2 x 20
= 4
4 of the shops are ice cream shops.
Answer:
c correct
Step-by-step explanation: