Answer:
$642
Step-by-step explanation:
Use the compound interest formula and substitute the correct values: A=500(1+0.025/4).
Simplify by using order of operations: A=500(1.00625)=500(1.283026821) ≈ 642.
$641.4
500(1 + 0.025/4)⁴⁰
= 641.5134103
2.3
Answer: x=12
1/3 x -4
1/3x=4 <---- First add 4 to each side of the equation (moves the "-4")
1/3x(3)=4(3) <---- Muliply each side by "3" to get rid of the fraction
x=12
Its 21+84