Let x be the cost for 12 apples

It will cost $24 for 12 apples

2.You can buy 2 hotdogs for $3, how much would it be for 4 hotdogs?

Let x be the cost for 4 hotdogs

The cost for 4 hotdog is $6

*Your problem :**You estimate that you can do 10 math problems in 30 mins. How long should it take you to do 20 math problems?*
The answer for the question is ...

ReplyDeleteLet "x" be how long it should take you to do 20 problems

Steps: word ratio , ratio table , proportion , find x

Problem | Min

10 | 30

20 | X Find proportion

10x=30x20

10x=600

/10 /10

x= 60

It should take you 60 min to finish 20 math problems

Answer:

ReplyDelete~It would take you 60 min to finish 20 math problems (I got the answer by doing cross multiplication)