Ok so for #18 8(x+5)-4(x+4)
you take 8X1x and 8x5
Answer:
8/5
Step-by-step explanation:
1)Make the base equal: (6x6) / (10 × 6) + (3x10) / (6 × 10)
2)will get :36+30/60 = 96/60
3) Minimize fractions 96/60 = 24/15 =8/5
The sixth grade makes 3.09 per hour
The seventh graders make 2.54 per hour
the eighth graders make 2.90 per hour
So the sixth graders make the most per hour. you can check this answer by taking the amount of money made and divide it by the time that it takes to raise the total amount of money raised by each class of students.
First find the number of girls in her class.
29 student - 21 boys = 8 girls
So, the ratio of girls to boys is:
8 girls:21 boys
Or just:
8:21
answer: 8:21
