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soldier1979 [14.2K]
3 years ago
8

1. Alexia started babysitting when she was in high school. She has built a reputation for herself and has become popular among t

he neighborhood parents. Alexia charges $10/h and gets a $5 automatic tip. Alexia needs $75 to buy a present for her mother. She wants to find out the minimum number of hours she needs to babysit at one job to get the money she needs. (5 points) a. Write an inequality to show how to solve this problem. Identify what the variable is and what it represents. b. Solve the inequality to find out the minimum number of hours Alexia needs to babysit. Show your work.
Mathematics
1 answer:
Alinara [238K]3 years ago
7 0
$10+$5=15
$75/$15=5
Hours = 5

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Please help! I will give you brainliest answer if you answer first and correctly, plus you have to explain!
guapka [62]
Deacon Middle School
5x = number of boys
4x = number of girls
where x is some unknown number for now

(number of boys)+(number of girls) = 270 students total
5x+4x = 270
9x = 270
x = 270/9
x = 30

Since x = 30, this means
number of girls = 4x
number of girls = 4*30
number of girls = 120

There are 120 girls at Deacon Middle School

-----------------------------------------

Similarly, for Meadow Middle school
number of boys = 4y
number of girls = 5y
for some number y

(number of boys) + (number of girls) = 180 students total
4y+5y = 180
9y = 180
y = 180/9
y = 20

making,
number of girls = 5*y
number of girls = 5*20
number of girls = 100

so there are 100 girls at Meadow Middle School

-----------------------------------------

In summary so far, there are...
120 girls at Deacon Middle School
100 girls at Meadow Middle School
In total 120+100 = 220 girls from both schools

This is out of 270+180 = 450 students total

Divide the two values (220 and 450) to get
220/450 = 22/45

The final answer is 22/45
It cannot be reduced further as there are no common factors (other than 1) between 22 and 45

7 0
3 years ago
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