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Sagot :
If he spent 2.25 hours/135 minutes on his french homework and 25 minutes longer than 135 minutes on math homework, he spent 160 minutes on math homework (or you could write it 2.66667 hours)
The time spent doing the maths assignment is 1 hour 20 minutes.
Simultaneous equations
Two equations can be derived from the question:
m - f = 25 minutes equation 1
m + f = 135 minutes equation 2
Where:
m = time spent doing maths assignment
f = = time spent doing French assignment
Determining the time used to do the maths assignment
In order to determine the value of m, add equation 1 and 2 together
2m = 160
Divide both sides by 2
m = 80 minutes
m = 1 hour 20 minutes
To learn more about simultaneous equations, please check: https://brainly.com/question/25875552
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