khloeallnn
10.09.2020 •
Mathematics
270 is 90% of what number?
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Ответ:
270 = 90/100x
270 = 9/10x
270 = 0,9x / ÷ 0,9 (both sides)
x = 300
Doublecheck:
90% * 300 =
= 90/100 * 300 =
= 9/10 * 300 =
= 9/1 * 30 =
= 9 * 30 =
= 270
So it's correct :)
Ответ:
Ответ:
A 12
Step-by-step explanation:
the total amount of boys on the chart are 35 and 23 are already marked on the super slide, so that means that there are 12 people marked as the Ferris wheel because 35-23=12