5x - 2y = -6 ⇒ 10x - 4y = -12
2x - 1y = 1 ⇒ <u>10x - 5y = 5</u>
y = -17
5x - 2(-17) = -6
5x + 34 = -6
<u> - 34 - 34</u>
<u>5x</u> = <u>-40</u>
5 5
x = -8
(x, y) = (-8, -17)
2x + 3y = 432 ⇒ 10x + 15y = 2160
5x + 2y = 16 ⇒ <u>10x + 4y = 32</u>
<u>11y</u> = <u>2128</u>
11 11
y = 193.4545455
2x + 3(193.4545455) = 432
2x + 580.3636364 = 432
<u> - 580.3636364 - 580.3636364</u>
<u>2x</u> = <u>-148.3636364</u>
2 2
x = -74.1818182
(x, y) = (-74.1818184, 193.4545455)
Answer: -134.5
Step-by-step explanation:
4(-6^2+3) - 2 - 1/2 Exponents first
4(-36 +3) - 2 - 1/2 Now solve the parentheses
4(-33) -2 -1/2
-132- 2 -1/2
-134 - 1/2 = -134.5
Percent of Change:
Difference/Original
(20-16)/16 = 4/16 = 1/4 = 25% increase
You need 48 packages for each employee to have 3 uniforms
