Question

PLEASE ANSWER THE QUESTIONS . QUESTIONS NUMBER IS 7 AND 8 .

If your answer is correct i will make it brain list.

Answer 1

Hope this pic is helps you

Answer 2

7.
For bigger box :-
Length of bigger box =25 cm
Breadth of bigger box= 20 cm
Height of bigger box =
5cm Total surface area of bigger box =2(lb +lh +bh)
[2(25 x 20 +25 x 5 +20 x 5)] cm^2 [2(500 +125 +100)] cm^2
=1450 cm^2
Total surface area of smaller box=
= 2 (lb+ bh+ lh)
= 2(15x12+ 12x5 +15x5) cm2
= 2(180+ 60+ 75) Cm 2
=630 Cm
Total surface area of 250 boxes of each type
= 250 (1450+ 630 )cm
= 250x2080 cm
= 520000 cm
Extra area required
= 5/100 (1450+ 630) x 250 cm^2= 26000 cm^2
Total Cardboard required =520000+ 26000 cm^2= 546000 cm^2
Total cost of cardboard sheet
=rs. (546000 x 4) /1000
= rs. 2184