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Fiesta28 [93]
1 year ago
6

Hannah needed to buy new clothes because she had a growth . Clothing Mart was having a all of the jeans and t- shirts. Jeans wer

e on sale for $20 and t- shirts for $10.If Hannah spent $350 and purchased 25 items, how many pair of jeans and t- shirts did she buy?
Mathematics
1 answer:
bija089 [108]1 year ago
4 0

Let's use the variable x to represent the number of jeans and y to represent the number of t-shirts.

The price paid for x jeans is 20x and the price paid for y t-shirts is 10y.

If the total cost is $350, we can write this equation:

\begin{gathered} 20x+10y=350 \\ 2x+y=35 \end{gathered}

The number of items is 25, so we can write a second equation:

x+y=25

Subtracting the first and second equations, we have:

\begin{gathered} 2x+y-(x+y)=35-(25) \\ 2x+y-x-y=10 \\ x=10 \end{gathered}

Now, solving the second equation for y:

\begin{gathered} x+y=25 \\ 10+y=25 \\ y=25-10 \\ y=15 \end{gathered}

Therefore she bought 10 pairs of jeans and 15 t-shirts.

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The given problem is very confusing since it was copy pasted directly from the source so the equations look scrambled and plus it was one words. After my own translation, I believe the given numbers are:

4 ⋅ 10^6

and

1 ⋅ 10^4

The symbol ⋅ means that the two numbers are multiplied while the symbol ^ means an exponent of. Now we are asked to find how much the 1st number is larger than the 2nd number. To solve this, we simply have to divide the bigger number by the smaller number. Since 4 ⋅ 10^6 has bigger exponent than 1 ⋅ 10^4 then it is the bigger number.

Ratio = 4 ⋅ 10^6 / 1 ⋅ 10^4

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Answer:

<span>400 times</span>

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3 years ago
Lesson 4-3 Dividing Mixed Numbers Practice and Problem Solving: A/B
muminat

Answer:

<h3>Reciprocals are: </h3>

1) 10 1/2 = 21/2

Reciprocal will be 2/21

2) 6 3/7 = 45/7

Reciprocal will be 7/45

3) 2 8/9 = 26/9

Reciprocal will be 9/26

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Reciprocal will be 8/61

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