Deandra is doing her math homework. Out of 24 problems total, she completed the first 12 problems in 1 hour and the last 12 problems in 3 hours. What is the unit rate for all 24 problems?
4 problems per hour
6 problems per hour
8 problems per hour
12 problems per hour

Question

mylee · Answer

i fina close it

jhonyy9 · Answer

so the first 12 in 1 hour 
last 12 in 3 hours

total 24 problems in 4 hours

yes ?

so now you need getting how much problems solved in one hour

yes ? do you know the way ?

jhonyy9 · Answer

so  What is the unit rate for all 24 problems?

jhonyy9 · Answer

so to calcule this just use the rule of 3 simple and in this way you write

24 problems solved in 4 hours 
x problems solved in 1 hour  so cross multiplie and calcule the x value

x = (24*1)/4 = ?

hope helped understandably

jhonyy9 · Answer

@pokwmon1w3 do you understand the way now ?