Which equation can be represented using the number line?
2 answers:
Answer:
First Equation:
Step-by-step explanation:
From the given number line we can see that there are 6 arrows/jumps of equal sizes to reach from 0 to
Each small jump is equivalent to . This is because from 0 to
there are 2 jumps, so 1 jump will be equal to
divided by 2 which is equal to
From 0 to , 6 jumps of
are made. In other words we can say
is added to itself 6 times to reach to
.
Adding 6 times to itself also means multiplying
by 6. So we can set up the equation as:
Dividing both sides by we get:
Hence, the first equation represents the given number line.
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Answer:
After 3 weeks they both will have the same amount in their savings account.
Step-by-step explanation:
Given:
Amount saved by Haley = $155
Amount saved by Hank = $230
Amount saving each week by Haley = $10
Amount spending each week by Hank = $15
We need to find Number of weeks when both both will have same amount in savings account.
Solution:
Let Number of week be 'x'.
Total Amount of Haley can be calculated by Amount saved by Haley plus Amount saving each week by Haley multiplied by number of weeks.
framing in equation form we get;
Total Amount of Haley =
Also;
Total Amount of Hank can be calculated by Amount saved by Hank minus Amount spending each week by Hank multiplied by number of weeks.
framing in equation form we get;
Total Amount of Hank =
Now we need to find the number of weeks when both will have same amount.
To find the same we will have to make both the equation equal.
So we can say.
On Solving above equation we get;
We will combine the like terms together;
Now Dividing both side by 25 using Division property of equality we get;
Hence, After 3 weeks they both will have the same amount in their savings account.