2 answers:
Answer:
2.4 hours for 1 basket
36 hours for 15 baskets
Step-by-step explanation:
The formula to determine the time working together is
1/a + 1/b = 1/c where a and b are the times alone and c is the time together
1/4 + 1/6 = 1/c
Multiply each side by 12c since that is the common denominator
12c(1/4 + 1/6 = 1/c)
3c + 2c = 12
5c = 12
Divide by 5
5c/5 = 12/5
c =2.4 hours
This is the time for 1 basket working together
Now if they need to make 15 baskets together, multiply by 15
15 * 2.4 hours = 36 hours
Answer:
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>let's solve:</h3>
in 4 hours Maria weve 1 basket
in 1 hour Maria weve ¼ basket
in 6 hours Ju lia weve 1 basket
in 1 hour J ulia weve ⅙
in 1 hour Maria and J ulia can weve
basket can be weved in 1 hour by Maria and J ulia
1 basket can be weved in
by Maria and J ulia
therefore
15 basket can be weved in
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