Tglimmersonid
Answered

answer.
1. A car travels 250 km in 5 hours. How far does it travel in
2 hours?
2. Jessie can read 72 pages of a book in 2 hours How many
pages can he read in 4 hours?
3. For every 8 generous people there are 40 who need help. If
15 generous people will help, how many will get their help?
4. There are 5 teachers for every 250 pupils. How many
teachers will there be if there are 500 pupils?
5. What is N in 32:48 = N:12?​

Sagot :

LlAeneaSllid
1) 5/250 = 2/x
5x = 500
x = 100 km

2) 2/72 = 4/x
2x = 288
x = 144 pages

3) 8/40 could be simplified to 1/5
1/5 = 15/x
x = 75 people

4) 5/250 = x/500
250x = 2500
x = 100

5) 32/48 = N/12
48N = 384
N = 8