Answer:
The score in third quiz must be lie between 84 to 99 inclusive.
Step-by-step explanation:
Here are three ratios
1 6/7
2 120/140
3 60/70
Answer: 9
Step-by-step explanation:
isn't it obvious
Answer:
Principle should be $2,667
Step-by-step explanation:
We need $3000 for a vacation to Europe in 3 years.
Using amount formula,

Where, P is principle (P=?)
A is amount (A=3000)
r is rate of interest (r=0.04)
t is time (t=3)
Substitute the values into formula and solve for P





Hence, Principle should be $2,667