Percent Change from 125cm to 87.5cm
% Change = (87.5 - 125) / 125 * 100%
= -37.5 / 125 * 100%
= -0.3 * 100%
= -30 %
The percent change is -30 % or 30% decrease.
Answer:
-23
Step-by-step explanation:
You combine the numbers
8+(-13)-18=
add 8 to -13
-5
add -18 to -5
-23
7x + y = -5
-7x both sides
y= -7x-5
slope is -7
-3+7=4 y intercept is 4
y=-7x+4
Answer: Marcela saves $15 and spends $45.
Step-by-step explanation: 25% is one set of the 4 sets of $5 on the model. If you remove that one set you remove $15 and have $45 left.
Answer:
50a-10
Step-by-step explanation:
because 5 x 10a = 50a then 5 x -2 = -10 because a negative x positive = negative