Answer:
$546
Step-by-step explanation:
455*.20=91
91+455+546
Answer:
31 , 59
Step-by-step explanation:
a = b +28
a + b = 90 {Complementary}
b + 28 + b = 90 {Combine like terms}
2b + 28 = 90 {Subtract 28 form both sides}
2b = 90 - 28
2b = 62 {Divide both sides by 2}
b = 62/2
b = 31
a = 31 + 28
a = 59
2:3:5
2x+3x+5x=180
10x=180
x=18
2x=36
3x=54
5x=90
The answer is 13 hope I helped
45÷50=90%
if that is what you are looking for