0.2333
18.4286
271.4286
Because your calculator is broken. Seriously; 30 divided by half (0.5) is 60 and 60 + 10 = 70 So, 30 cut in half (30/2) is 15 but 30 DIVIDED BY half (30/0.5) is 60.
40
70: 30 divided by 1/2=60+10=70 trick: not 30 divided by 2
0.2333
18.4286
271.4286
0.4286
40
Because your calculator is broken. Seriously; 30 divided by half (0.5) is 60 and 60 + 10 = 70 So, 30 cut in half (30/2) is 15 but 30 DIVIDED BY half (30/0.5) is 60.
0.4286
30/0.5 + 10 = 70
40
40
60 minutes divided by 70 equals .86 times 30 equals 25.7 minutes.