There are symbols, which have statements.
<,>, and = Greater Than, Lesser Than, and Equal To.
Answer:
number of minivans more than number of car = 30
Step-by-step explanation:
we have the rate of number of vehicles passed in one unit of time
Number of cars = 6
Number of trucks = 10
Number of SUV = 14
and number of minivan = 15
Total vehicle passed in one unit of time = 6+10+14+15 = 45 vehicle per unit time.
we can see the ratio of vehicles with each other can be given as:
6x+10x+14x+15x = 150
Now we can solve for x to get the number of cars and minivans in 145 vehicles.
or 45x = 150
or x = 150÷45 = 
so, number of cars in 150 vehicles = 6x = 6×
= 20 cars
number of minivan in 150 vehicles = 15x = 15×
= 50 minivans.
So, number of minivans more than number of car = 50 - 20 = 30
a common what? denominator?
Invested at 7%: s
Invested at 5.5%: f
Then s+f=$15000, or f= $15000-s
Then add together the 2 interest amounts:
i = s(0.07) at 7%
i = f(0.055) at 5.5%
Then 0.07s + (15000-s)(0.055) = $952.50
Solve this for s, the amt. invested at 7%:
0.07s + 15000(0.055) - 0.055s = 952.50
Combining the s terms,
0.015s = 952.50-825
952.50-825
Then s = ------------------- = 8500
0.015
Ruth invests $8500 at 7% and $6500 at 5.5%.
11.8333333333 is the answer. Just divide and you will get the same answr.