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ololo11 [35]
3 years ago
13

Can some one help with this one question

Mathematics
2 answers:
jolli1 [7]3 years ago
5 0

the answer is D. day 4

Oliga [24]3 years ago
4 0
D. day 4
There is a spike in the graph indicating this.
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Let x be the number of weeks; therefore, the two linear equations are

\begin{gathered} T=2+7x \\ \text{and} \\ C=11+4x \end{gathered}

Where T stands for the punches on the tea punch card and C for the punches on the coffee punch card.

Solving by substitution. Set T=C, then

\begin{gathered} T=C \\ \Rightarrow2+7x=11+4x \\ \Rightarrow3x=9 \\ \Rightarrow x=\frac{9}{3}=3 \\ \Rightarrow x=3 \end{gathered}

Thus, substitute the value of x=3 into the first equation,

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Thus, after 3 weeks, Josiah will have the same number of punches on each card, and he will have 23 punches on each card.

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Shawn's collection has 38 more rocks in it than Cameron's collection. Together, they have 70 rocks. How many rocks are in Shawn'
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