ANSWER
$28
EXPLANATION
The profit function is given as:

where x is the price of the T-shirt in dollars.
To find the profit on a T-shirt whose price is $15, we substitute x=15 into the function and simplify.

We simplify to get:



The correct formula would be C
multiply principle ( $800) by (1+interest rate as a decimal) to the power of number of years
so you would have 800 x (1+0.03)^7
Turkey dinner has to be zero as 0/? = 0 and it would be undefined if it was ?/0
Dinner plate would be 0 as ? * 0 * ? = 0
Radish is ?^2 cake as solving for radish will get that
Cake will be 4 as turkey is 0
Since cake is 4, radish is 16
Let’s plug them in to figure it out
0 / 4 = 0 ✅
16 * 0 * 4 = 0 ✅
4 = 16 / 4 ✅
4 / 4 = 0 + 1 ✅
0 + 16 * 4 = 64
Turkey = 0
Cake = 4
Radish = 16
Dinner plate = 0
? = 64
Solution:
0.3 × 2.7
Using Distributive property of multiplication with respect to subtraction the value of multiplication of two rationals or two decimals
⇒0.3 × (3-0.3)
⇒ 0.3 × 3 - 0.3 × 0.3
⇒ 0.9 - 0.09
= 0.81
H C F of 0.3 and 2.7 is 0.3.
The Equivalent of product of 0.3 × 2.7 are
1.→0.9 × 0.9
2.→→ 3 × 0.27
50% of 1,678.89 = 839.445
10% = 167.889
5% = 83.9445
1% = 16.7889
.5% = 8.39445
Therefore 66% = 1108.0674
and 7.5% = 125.91675
So the two added together is: 1233.98415
To get the percentages simply do the following
50% = divide by two
10% = divide 50% by five OR divide the original number by 10
5% = divide 10% by two or divide 50% by 10
1% = divide 5% by 5 or divide original by 100
.5% = divide 1% by two