Question

Hence, the number of sugar crystals is 5.4 x 10°.
EXERCISE 11.1
3 dozen eggs cost 90. Find the cost of 22 eggs.
4. If x varies directly as y, then complete the following table :
12.5
8.5
1.7
2
ES
6. A model of a building is 6 cm high, while the actual building is 15 m high. If the building is 8.4 m wide,
how wide is the model building?
7. A bus travel 12.5 km in 15 minutes. If the speed remains the same, how far can it travel in 4 hours 45
minutes?
Use Cordova Smart Class Software on the smart board in class to do Exercise.
If a car runs 57.5 km in 5 litres of petrol, how much distance will it cover in 11 litres of petrol?
3. A worker is paid 1624 for 7 days work. If he works for 12 days only, what will be his wage?
5. If one dozen orange costs * 28, then how many oranges will we get with 35?​

Answer 1

Answer:

Q no. 3

cost of 3 dozen egg =90

cost of 1 dozen egg = 90÷3 = 30

as we know

1 dozen egg = 12 eggs

then

cost of 1 egg will be = 30÷12 = 2.5 rupees

now cost of 22 egg =22×2.5 = 55 rupees