Answer:
m=84
r:m = 1:7
therefore when r= 1 then M=14

I think that's how you do it
Answer:
Hello! answer: 21
Step-by-step explanation:
25 × 3 = 75
7 × 3 = 21 so n = 21 HOPE THAT HELPS!
Kids in Africa got clean water from water pumps
they want them by 2010 so before then
in Africa
Answer:
20 glasses
Step-by-step explanation:
A glass holds 1/4 liter of water so if you have 4 cups you will have 1 liter of water. If you need 5 liters than you just multiply the number of cups per liter by the number of liters
4 x 5 = 20