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jolli1 [7]
3 years ago
13

Every day Louis buys five more baseball cards to add to his collection. If he already has 25 baseball cards before making any pu

rchases, how many will he have a date 20?
Mathematics
2 answers:
liq [111]3 years ago
8 0
So after 20 days I assume
25+20*5=25+100=125
he wil have 125
lisov135 [29]3 years ago
6 0
5 times 20(which is your number of days) equals 100. Louis already had 25 so add both numbers together to get 125
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While walking, we will get D_{\text{walking}}=x\frac{\text{miles}}{\text{hour}}\cdot \frac{1}{3}\text{hour}

D_{\text{walking}}=\frac{x}{3}

While jogging, we will get D_{\text{jogging}}=(x+5)\frac{\text{miles}}{\text{hour}}\cdot \frac{1}{6}\text{hour}

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Since athlete is covering same distance while walking and jogging, so we can equate both expressions as:

\frac{x}{3}=\frac{x+5}{6}

Cross multiply:

6x=3x+15

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Therefore, athlete's walking speed is 5 miles per hour.

Jogging speed: x+5\Rightarrow 5+5=10

Therefore, athlete's jogging speed is 10 miles per hour.

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