She would have to score atleast a 74 on the test for her average to be 78
Answer:
The first one is 8/12.
Step-by-step explanation:Add numerator and keep denominator same.
Dave arrived to his grandmother's hours in7.75 hours.
The interquartile range of the data set is 30.
Shaded circles = 4
Total circles = 12

=


as a simplified expression =
We can simplify it even more =

Fraction =

Equivalent decimal = 1 ÷ 3 = 0.33