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themachine14
17.12.2020 •
Mathematics
He ratio of number of cookies to cost of cookies is 15:915:915, colon, 9. Let's find an equivalent ratio that shows the cost for 111 cookie. Hint #22 / 4 A ratio where one of the terms is 111 is called a unit rate. We can divide the number of cookies by 151515 to get to 111 cookie. Hint #33 / 4 \$\blueD9\div15=\$0.60$9÷15=$0.60dollar sign, start color #11accd, 9, end color #11accd, divided by, 15, equals, dollar sign, 0, point, 60 Hint #44 / 4 The cost of 111 cookie is \$0.60$0.60dollar sign, 0, point, 60.
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Ответ:
$0.60
Step-by-step explanation:
Given that:
The ratio of number of cookies to the cost of cookies as:
Number of cookies : Cost of cookies = 15 : 9
It means, we get 15
number of cookies when we pay $9
.
To find:
An equivalent ratio to represent the cost of 1 cookie.
Solution:
Here, we have to find nothing but the unit price or the price of 1 cookie.
This can simply be done by dividing the total cost of cookies with the total number of cookies.
Total cost of 15
cookies is given as $9![x](/tpl/images/0994/9554/a0e3f.png)
Using unitary method:
Let us divide both the sides with 15
, we get:
Total cost of
cookies is given as ![\frac{\$9x}{15x}](/tpl/images/0994/9554/38c97.png)
Total cost of 1 cookie is given as $0.60
Ответ:
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