Answer:
She needs $30.
Step-by-step explanation:
170 minus 140 is 30.
Answer:
I need more information
Step-by-step explanation:
Answer:
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above
Less than = subtraction = -
Product = multiplication
(42 + x) - 18
31-40. C. 12 students sold that many, therefore it's the most.