Question

Math question i need help

Answer 1

Answer:

Question #1:

$249.60

Question #4:

$19.08

Step-by-step explanation:

Question #1:

For question #1, the first thing we need to find is 60% of $624. To do this, we turn 60% into a decimal and multiply it by $624. This is what our equation should look like:

0.60*624

= 374.40

Now that we found the 60% of the money raised which will be used for the microscope, we need to find the leftover money. To do this, we will take the total money raised and subtract the amount of money that will be used to buy the microscope. This is what that equation should look like:

624-374.40

=249.60

So, the science club has $249.60 left to purchase specimen slides.

Question #4:

For question #4, the variable x will mean the cost of one pizza rolls. We know that the cost of 5 pizza rolls, or 5x, is equal to $7.95. Know this information, I can create the following equation:

5x=7.95

Now, we will divide both sides by 5 to get the price of one pizza roll.

5x=7.95

$\frac{5x=7.95}{5}$

x=1.59

Now that we find the price of one pizza roll, we need to find the price of a dozen, or 12, pizza rolls. To do this, I will multiply the price of one pizza roll by 12.

1.59*12

= 19.08

So, the price of a dozen pizza rolls will be $19.08

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