I need money so what do you need help with?
Let x be the time required to do the job when they work together.
1/x = 1/9 + 1/10 = 19/90
x = 90/19 = 4.7 hours
Answer:
the answers are A and C
Step-by-step explanation:
This graph goes through the origin (0,0) and is a straight line. The constant of proportionality is 8 because in 1 box there are 8 crayons
Answer:
the awnser is C because the other awnsers don't exactly make sense
Step-by-step explanation:
just kinda mental math