Question

Question 21, 22


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Answer 1

Answer: 35 ; 82

Step-by-step explanation is in attachment

:)

Answer 2

ĀNSWĒR ✍☺

for 21. see the attachment I think it will help you^_^

22.)

$let \: marks \: in \: 5th \: examination = x \\ \\ 4th \: examination = 95 \\ \\ 3rd \: examination = 94 \\ \\ 2nd \: examination = 92 \\ \\ 1st \: examination = 87 \\ \\ acccording \: to \: question \: = \frac{95 + 94 + 92 + 87 + + x}{5} \geqslant 90 \\ \frac{368 + x}{5} \geqslant 90 \\ \\ multiply \: both \: sides \: by \: 5 \\ 5 \times \frac{368 + x}{5} \geqslant 90 \times 5 \\ 368 + x \geqslant 450 \\ x \geqslant 450 - 368 \\ x \geqslant 82$

Thanks ❤^_^

#Nishu HarYanvi ♥