Answer:
t=-10
Step-by-step explanation:
-6=t-2/7-5
-6=t-2/2
Cross multiply
-6*2=t-2
-12=t-2
t=-12+2
The percent error is -2.1352% of Jocelyn's estimate.
7
40 min
find unit rateeee p=problems
8 p= 2 min
8/2=4
so Alison can do 4 math problems per minute
so 160/4= 40 minutes
hope this helps
3
Step-by-step explanation:==
