Answer:
5 shirts must be sold.
Step-by-step explanation:
First, set up the equation. Each shirt (x) is sold for $16:
For every amount (y) for x: (y)(x) = (16)(y)
The cost is $4, with the setup fee as $60.
(16)(y) = (4)(y) + 60
16y = 4y + 60
Isolate the variable (y). Note the equal sign, what you do to one side, you do to the other. First, subtract 4y from both sides.
16y (-4y) = 4y (-4y) + 60
16y - 4y = 60
12y = 60
Next, isolate the variable (y). Divide 12 from both sides.
(12y)/12 = (60)/12
y = 60/12
y = 5
5 shirts must be sold.
To check, plug in 5 for y in the equation:
16y = 4y + 60
16(5) = 4(5) + 60
Simplify.
16(5) = 4(5) + 60
80 = 4(5) + 60
80 = 20 + 60
80 = 80 (True).
~
The slope of a perpendicular line is the opposite of the reciprocal (negative to positive or positive to negative and then flip the fraction) and the parallel lines have the same slope
She will make 10 out of the 15 free throws.
Work:
8/12 = x/15
- Cross-multiply
12 • x = 12x
8 • 15 = 120
- Divide
12x ÷ 12 = x
120 ÷ 12 = 10
I hope this helps you
6T/10-7T/10=-2+4
-T=2.10
T=-20
Let's change this question a bit: Find two integers, one just slightly greater than 41/3 and the other just slightly smaller than 41/3.
Rounding 41 up to 42: 42/3 = 14
Rounding 41 down to 39: 39/3 = 13
The quotient lies between 13 and 14, and is closer to 14.
