Answer:
29 is the correct answer because subtract 90 from 61 we get 29
Step-by-step explanation:
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<em><u>PLEASE</u></em><em><u> </u></em><em><u>MARK ME</u></em><em><u> </u></em><em><u>BRAINLIEST IF</u></em><em><u> </u></em><em><u>MY ANSWER</u></em><em><u> </u></em><em><u>IS CORRECT</u></em><em><u> </u></em><em><u>PLEASE</u></em><em><u> </u></em></h2>
Answer:
C. 10
Step-by-step explanation:
Let x and y represent push-ups and pull-ups, respectively.
x + y = 24 . . . . . . combined total of push/pull-ups
2x +4y = 68 . . . . time required for the exercise
We can divide the second equation by 2 and subtract the first:
(1/2)(2x +4y) -(x +y) = (1/2)(68) -(24)
x +2y -x -y = 34 -24 . . . . . eliminate parentheses
y = 10 . . . . . . . . . simplify
Malia did 10 pull-ups.
__
She did 14 push-ups.
Answer:
8, 54
Step-by-step explanation:
Answer:
<u><em>note:</em></u>
<u><em>find the attached solution</em></u>
Answer:
Step-by-step explanation:
- With the equation's current format, we will have trouble solving with all these fractions. Especially the fraction is very difficult to deal with, so my first step would be:
- If we multiply both sides by this number, we will be able to get rid of the messy fraction on the right side as well as remove the fraction on the left side. Like so:
- <em>I put the I multiplied onto each side in fraction form simply for clarity. You do not need to do this.</em>
- After this point, let's put our variable, , onto one side of this equation and any other integers on the other by adding and subtracting them from both sides.
- Now we divide so that is isolated, and we are done.