Answer:
1st one
Step-by-step explanation:
D. $8.15=100% what about 120% because percentage increase you add you have increase to 100.
It’s C because if you look at the problem and solve it the right way it’ll be 10.50
Let the time spent by 181818 people to paint 181818 walls be X. we can calculate for X by using this formula.
666: 343434 minutes
181818:X
cross multiply
666X=343434 x 181818
X=93757482