Simple calculation of 7.52 △ 4.7 × 0.6537.3-1.5 △ 0.24
7.52÷4.7×0.65
=1.6×0.65
=0.8×1.3
=1.04
37.3-1.5÷0.24
=37.3-150÷24
=37.3-6.25
=31.05
The reduction ratio is 13:91
13:91==13*1:13*7=1:7
Simplification of 13 out of 52
13 out of 52
=13 of (13 * 4)
=1 / 4
How many seconds is 4 minutes 15 seconds?
One minute is 60 seconds
Four minutes is 240 seconds
Four minutes and 15 seconds is 240 + 15 = 255 seconds