Monique started walking, steadily increasing her speed. Next, she slowed down until she jogged at a constant speed. Which graph
best shows monique’s speed over time? ( 2 images include the 4 graphs)
2 answers:
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Answer:
<em>Money in her purse is Rs. 500.</em>
<em></em>
Step-by-step explanation:
Let the money in her purse = Rs.
Let the money in her Money box = Rs.
As per question statement,
- Double the money in her purse (i.e.
) and add it to the amount in money box, she gets Rs. 1700.
........ (1)
- Triple the money in her purse (i.e.
) and add it to amount in money box (
), she gets Rs. 2200.
....... (2)
<u>To find: </u>Money in her purse = ? i.e.
Let us solve for using the two linear equations.
We can use substitution method here i.e. find value of one variable from one equation and then substitute that value in other equation.
Using equation (1), we get the value of as follows:
Now, let us put this value of y in equation (2) to find the value of :
<em>Money in her purse is Rs. 500.</em>