Answer:
2.1 + 2x = 7.5
Step-by-step explanation:
Answer:
40% of the class is Girls, so 12 students are girls
Step-by-step explanation:
add up the ratio
2+3=5
divide by 5
30/5=6
multipy ratio to find totial number of students
2*6=12
2*3=18
divide the number of students to get the pecentage
12/30=0.4=40%
18/30=0.6=60%
Answer:
B.
Step-by-step explanation:
Answer:
-2, -1 , 0 , and 1
Step-by-step explanation:
