1 500 + 250 = seven hundred and fifty 2 150 x 4 =
3 920 - 380 =
4 370 + 460 =
5 230 x3 =
6 210 - 790 =​

2 siz hundred

3 five hundred forty

4 eight hundred thirty

5 six hundred ninety

6 minus five hundred eighty

2) 600 six hundred

3) 540 five hundred and forty

4) 830 eight hundred thirty

5) 690 six hundred ninety

6) -580 minus five hundred and eighty

пусть в мастерской было x машин всего. тогда число отремонтированных машин равно 5x/8

  тогда  x = 5x/8 +9

x - 5x/8 = 9

3x/8 = 9

x = 9 (8/3) = 24 машины