Question

Q8. Three rolls of red cello-tape cost Rs 48.Five rolls of green cello-tape cost Rs 36. If Shikha bought 8 rolls of red cello tape and 3 rolls of green cello tape. What is the total amount that she will pay?
Q 9. At the parking of Ramleela ground, Karan counted that there are 105 cycles, 75 bikes and 45 cars. Find the ratio of number of bikes to total number of vehicles. YOU MUST TRY THIS !
Q 10. Arun runs around a rectangular park whose length is 6 m and breadth is 7 cm. Find the ratio of area of the park to the perimeter of the park.​

Answer 1

Answer:

Q8 : she paid 149.6/-. Why because if 3 rolls of red tape is rs48 then 1 tape in 16 rs. and 5 green tape costs 36/- then 1 tape is 7.2rs. then red tape cost is 16x8=128+7.2x3=21.6 l.then total is 149.6rs