que81hhh
19.03.2021 •
Mathematics
Y varies directly as x and inversely as z. if y=10 when x=9
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Ответ:
15 cakes left.
Step-by-step explanation:
1/5 of 30 = 6 this finds the amount given to Sally.
30 - 6 = 24 this finds the total afterward.
30% of 30 = 9 this finds the amount given to Jane.
24 - 9 = 15 This finds the total.