Answer:
Mary 81
Sandy 30
Step-by-step explanation:
S-3=M/3
multiply by 3
3s-9=m
m=81
3s-9=81
add 9
3s=90
divide by 3
s=30
Answer:
bbv bcb vhmnkdjefkmkhgjfnmd
Step-by-step explanation:
Answer:
m=2/3
Step-by-step explanation:

Amount to be paid back = $ 88,624.36
<u>Step-by-step explanation:</u>
Principal amount = $ 40,000
Rate of interest = 7.5%
Number of years = 11

Plugin the values as,



