In calculating interest by the previous balance method, purchases and payments during the month are not counted in calculation of interest.
Answer:
24hours
Step-by-step explanation:
let Evan be x, Tyler=x-12,equate;1/x+1/(x-12)=1/8,to get x=24 or 4.The correct value of x=24 because if you take x=4 means that Tyler=-8hours which is impossible
Answer:
9
Step-by-step explanation:
9x2 is 18, so he can rent a bike for nine days if the rent is $2
Answer:
70
Step-by-step explanation:
A=a+b
2h=8+12
2·7=70