Answer:
He'll have $42.
Step-by-step explanation:
5% annually means that he'll have 5% more in his account after one year. That's exactly what the question asks.
So it's just a matter of adding 5% to $40.
$40 + ($40 * 0.05) = $40 + $2 = $42
Answer:
90.25π
Step-by-step explanation:
The formula for solving the area of a circle is πr².
r is the radius. We can find the radius by splitting the diameter in half: 19/2 = 9.5.
We can apply the area formula and we get π9.5² and the answer is 90.25π.
Answer:
We have
sale price + 6% x sale price = $121.37;
Then
(106/100) x sale price = $121.37;
sale price = $121.37 x 100 / 106;
sale price = $12137 / 106;
sale price = $114.50;
Step-by-step explanation:
Answer:
$12
Step-by-step explanation:
Since she has $16 left, this means she spent $84. ($100-$16=$84)
Then, since she bought the same give for 7 of her friends, divide:
84/7=12.
This means that each gift cost $12.
Answer:
=25
Step-by-step explanation:
plug in the numbers for the variables
5(3)+2(5)
15+10
25