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11Alexandr11 [23.1K]

3 years ago

10

Tom buys some shirts for $15 each.He has a coupon for $9 off the total price. If he pays $36, how many shirts,s,did he buy? writ

e a equation to represent the situation? write a equation?

2 answers:

Vedmedyk [2.9K]3 years ago

6 0

1 shirt equals $15
If he paid $36 add the price he got off ($9)

36+9=45

15 divide d by 45 = 3
He bought 3 shirts

joja [24]3 years ago

4 0

15x-9=36 is the equation and he bought 3 shirts

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Answer:

10.36

Step-by-step explanation:

So your solution would be:

$(\frac{3}{5})^{2} + 4 \times 3 - 2$

$=(\frac{3}{5})^{2} + 4 \times 3 - 2$

$=\dfrac{3^{2}}{5^{2}} + 4 \times 3 - 2$

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Just try to remember PEMDAS.

Parenthesis, Exponent, Multiplication/Division, Addition/Subtraction.

This is the order we follow when going about expressions with many operations.

Let's start with the parenthesis part. Notice that there is an exponent beside the parenthesis enclosing the fraction. Here we use the quotient to a power rule. We distribute the exponent to the numerator and the denominator.

$=(\frac{3}{5})^{2} + 4 \times 3 - 2\\$

$=\dfrac{3^{2}}{5^{2}} + 4 \times 3 - 2$

$=\dfrac{9}{25} + 4 \times 3 - 2$

Now that we got the parenthesis and exponent out of the way, let's move on to the next. Multiplication/Division. Whichever comes first, you do it first.

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