Answer:
3 dots above $5 + 3 dots above $6 = 6
so 6 babysitters earned $5 or $6 per hour
Step-by-step explanation:
According to the information:
number of dots above 4 dollar=2
number of dots above 5 dollar=3
number of dots above 6 dollar=3
number of dots above 7 dollar=2
Hence, the number of babysitters earned $5 or $6=3+3=6
