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III. PRACTICE EXERCISES
1. A cargo truck travels 10km in 30 minutes. How far can it travel in 3 hours?
2. If 35 men can reap a field in 8 days, how many days can 20 men reap the same field?
3. The ratio of chairs to table is 2:7. There are 180 chairs and tables in a party. How many
are there in each kind?​

Sagot :

Jonacriezldelacruzgo

1.

10 : 30 = x : 3(60)

10 : 30 = x : 180

30x = 1800

x = 60 km

2.

35 (8) = 20x

280 = 20x

x = 14 days

3.

2x + 7x = 180

9x = 180

x = 20

2x = 2(20) = 40 chairs

7x = 7(20) = 140 tables

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