Create a system of equations
x + y = 123
5x + y = 343
I use substitution
y = 123 - x
5x + 123 - x = 343
4x + 123 = 343
4x = 220
x = 55
Plug in
x + y = 123
55 + y = 123
y = 68
Check
5x + y = 343
5(55) + 68 = 343
275 + 68 = 343
343 = 343
First you add 3 and 2 so that is 5 and then you subtract 5 from 9 so the answer is 4.
Let x represent the distance Darren ran.
The distance Darren ran: d
The distance Darren ran plus 4 more miles: d + 4
Answer: d + 4
<u>Part 1)</u> "Four times the difference of a number and is "
Let
x--------> the number
we know that
the expressions is equal to
therefore
<u>the answer part 1) is</u>
<u>Part 2)</u> "One third of a number is less than the number itself"
Let
x--------> the number
we know that
the expressions is equal to
therefore
<u>the answer part 2) is</u>
<u>Part 3)</u> "Ten increased by the quotient of a number and is "
Let
x---------> the number
we know that
the expressions is equal to
therefore
<u>the answer Part 3) is</u>
<u>Part 4)</u> "One less than the product of a number and is more than the number itself"
Let
x---------> the number
we know that
the expressions is equal to
therefore
<u>the answer Part 4) is</u>
Mr. Lewis | 100$
Glue = 1.50$ (x40)
Box = 0.89$ (x40)
1.50 x 40 = 60$
0.89 x 40 = 35,6$
Total spend (95,6$)
100 - 95,6 = 4,4$
Answer: 4,4$