Answer:
200%
Step-by-step explanation:
If $40 is 100% then multiply it by 3 to get $120
The quotient rule for exponents states that if we divide exponents with the same base, then we can subtract the exponents and keep the base unchanged.
36 divided by 2 is 18
That mean each basketball is $18
18 dollars multiplied by 3 basketballs is 54
Three basket balls cost $54
Answer:
89/100
Step-by-step explanation:
The average weighted by the number of students is ...
(90(0.90) +10(0.80))/100 = (81 +8)/100 = 89/100
Its b for sure i worked it out