Answer:
in 4 weeks
Step-by-step explanation:
24+8(4)=56
36×5(4)=56
in 4 weeks they both will have $56
Answer:
y= -x+6
Step-by-step explanation:
The equation was in point slope from, so you had to solve for y using inverse operations. The slope of x is -1 because -x = -1x.
Besides the obvious one(81*1), the only 2 combinations are 9 and 9, or 27 and 3.
Answer:
Sarah has to invest $502,958.58 today.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:
In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
In this question:

She has to invest P today.

So



Sarah has to invest $502,958.58 today.
Answer:7
Step-by-step explanation:
U have to simplfly the thing