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carroch
11.12.2020 •
Mathematics
You spend 90 minutes wrapping gifts and baking cookies. The ratio of time spent on wrapping gifts to time spent on baking cookies is 7:8. How much time do you spend wrapping gifts?
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Ответ:
42
Step-by-step explanation:
7 * 90/15 = 42
Ответ:
a) 2/6 b) 4/6
Step-by-step explanation:
You add the amount of beads: 1+2+2+1= 6
And take the amount of green beads and put it over the total amount so 2/6
For b you do the same but add the green and yellow beads and put that over the total amount 4/6