2. After school, students run a carpentry shop. The students charge \( \$ 7 \) per hour. The average job takes 2 students each working 6 hours. Sometimes they work on Saturdays. Then they charge \( \$ 30 \) more for the average job. How much more per hour is the rate on Saturdays? Complete the steps. Find the answer. Cost of average job during the week Cost of average job on Saturdays Rate that students charge on Saturdays Increase in hourly rate on Saturdays

180 m respectively. 5. The length and breadth of a playground are 200 m and 150 m respectively, If an athlete to run 7 km , how many times should he go around this field? 6. Calculate the cost of carpeting a rectangular floor at the rate of \( ₹ 225 \mathrm{per} \mathrm{sq} \mathrm{m} \), if the 1 and breadth of the floor are 16 m and 12 m respectively. 7. How many greeting cards of size \( 10 \mathrm{~cm} \times 6 \mathrm{~cm} \) can be made from a sheet of paper which me 1 m by 0.96 m ?

Redondea 2.91 al décimo más cercano.

Поставьте знак чилось верное а) \( \frac{9}{16} ? \frac{13}{16} \) б) \( \frac{14}{9} ? \frac{11}{9} \)

9. Arun bought a pair of skates at a sale where the discount given was \( 20 \% \). If the amount he pays is \( ₹ 1,600 \), find the marked price.

Evaluate the absolute value of \( -8 \).