Answer:t= 9
Step-by-step explanation: 10t =90
divide 10 on both sides
so 10t /10 and 90/10
which means t=9
1) 5.1
2)7.9
3) 4
4)20
5)8.9
6) 4.2
7)5.2
8)15
I'am somewhat confident that some are right because iam not sure your suppose to round the nearst tenth
You can say 8/10 = 80/100 ⇒ 80/100 is bigger than 79/100 :)))
So you add 7 every time so,
28+7=34
34+7=41
if he continues his pattern he will have done 41 sit-ups on Friday
325 three hundred twenty-five
