1.) -3/20
2.) -7 3/4
3.) -12 27/50
Answer:
225
Step-by-step explanation:
So we know that 20% of the social workers he surveyed was 45 people. The easiest way to find all 100% of the social workers is to do 45 x 5 because 20% x 5 = 100%. So 45 x 5 = 225.
Hope this helped! :)
Answer:
-679
Step-by-step explanation:
14 + (78 - 1) × -9
= 14 + (77)-9
= 14 - 693
= -689
Answer:
Fruit smoothie: $3.4
Protein bar: $2.5
Step-by-step explanation:
Let x represent cost of fruit smoothie and y represent cost of protein bar.
We have been given that Jake buys a fruit smoothie and a protein bar for $5.90. We can represent this information in an equation as:


We are also told that Kobe buys 2 fruit smoothies and 4 protein bars. He pays $16.80. We can represent this information in an equation as:

Upon substituting equation (1) in equation (2), we will get:





Therefore, each protein bar costs $2.5.
Upon substituting
in equation (1), we will get:

Therefore, each fruit smoothie costs $3.4.