Can somebody please give me the answer I will mark u brilliant
2 answers:
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Answer:
Monica has 3 more pieces of gold than silver after she cut all her wire
Step-by-step explanation:
Total length of gold wire Monica has= 7.68 meters
Length of each piece Monica wants to cut the wire into = 0.96 meters
Total number of pieces she can cut = = 8 pieces of gold wire
Total length of gold wire Monica has = 7.45 meters
Length of each piece Monica wants to cut the wire into = 1.49 meters
Total number of pieces she can cut = =5 pieces silver wire
Gold wire pieces= 8
Silver wire pieces= 5
Difference in the number of pieces =
Monica has 3 more pieces of gold than silver after she cut all her wire
Let the number of hours she spent in baby- sitting is x
and the number of hours she spent in music lessons is y.
Now, we have been given that she worked a total of 18 hours. Hence, we have
And she made $139. Thus, we have
Substituting the value of y from equation 1 in 2, we get
Therefore, she spent 11 hours in baby-sitting.