I’m just typings this so I can have an answer checked off
Set up an equation to solve.
$8.50x (since it is the rate of change) + $12 (flat fee) = total money earned (or y). In this case, we have the total, amount, and are looking for x. Plug $139.50 into the equation.
$8.50x + $12 = $139.50
Now, solve for x.
$8.50x + $12-12 = $139.50-12 > <em>$8.50x = $127.5</em>
$8.50/8.50x = $127.5/8.50 > <em>x = 15</em>
So, the correct answer is <u>D. Olivia babysat for 15 hours.</u>
Answer:
The values are
m = 13
b = 17
Step-by-step explanation:
1239 = 94m + b ------eqn 1
810 = 61m + b -----------eqn 2
Let's take eqn 1, let's make b the subject of the formula
1239 - 94m = b
Since b = 1239 - 94m
Insert the value of b into the eqn 2
810 = 61m + (1239 - 94m)
810 = 61m + 1239 - 94m
Collect like terms
810 = 61m - 94m + 1239
810 = - 33m + 1239
810 - 1239 = - 33m
- 429 = - 33m
The minus sign cancels each other
Making m the subject
m = 429 / 33
m = 13
Since we've gotten the value for m, insert the value of m= 13 into the eqn 1
1239 = 94m + b
m = 13
1239 = 94 (13) + b
1239 = 1222 + b
1239 - 1222 = b
17 = b
b = 17
m = 13
b = 17
Answer:
9:4
Step-by-step explanation:
English
Ana uses 3/4 cup of china juice for every 1/3 cup of lemon juice to make a soda. What is the ratio of cups of china juice to cups of lemon juice?
<u>Solution</u>
To find the ratio of cups of china juice to cups of lemon juice, we divide
by
and simplify.
We set up the division as follows:
Multiply the first fraction by the reciprocal of the second fraction.
This gives us;
We then obtain:
Therefore the ratio of cups of china juice to cups of lemon juice is 9:4
Answer:
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if we asked questions and somone just ans the question wrongly for free points
therefore you can report the ans and delete the ans..
now a days many people are doing this...