Answer:
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Step-by-step explanation:
3x3 -4= 5 5(-1)= -5 -5(-4)= 20
Answer:
0.9
Step-by-step explanation:
A knitter with 14 skeins of yarn can make 7 scarves
Explanation:
We can use a proportion to solve this
4 skeins of yarn
-----------------------
2 scarves
That is the information we know. What we want to do is find out how many scarves for 14 skeins of yarn, like this
4 14
-- = ---
2 ?
To get from 4 to 14, you multiply by 3.5. We must to the same thing to the bottom as well. So we multiply 2 by 3.5, which gives us 7
x3.5
4 14
-- = ---
2 7
x3.5
