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valentinak56 [21]
3 years ago
9

A student did 3 5 of his homework and another 8 problems. then his father came and did one fifth of his homework and the remaini

ng 7 problems. how many problems did they solve together?
Mathematics
2 answers:
dsp733 years ago
8 0

Answer:

the ansswer is 75 problems

Step-by-step explanation:

<h2>3/5 x+8 +1/5 x+7=x                            x=75</h2>

(lets assume x is the student)

Komok [63]3 years ago
4 0
<span>Let’s assume the number of problems as P Student did his homework = (3/5) P + 8 Father did the homework = (1/5) P + 7 So the sum of the both equations is equal to P => (3/5) P + 8 + (1/5) P + 7 = P => (4/5) P + 15 = P => 4P + 75 = 5P => P = 75 Problems they solve together are 75 problems.</span>
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