18 = .75x
/.75 /.75 (divide both sides by .75 to isolate x)
24 = x
24 total students
Hope this helps!
Answer:
Mary earns interest in one year is $88 .
Step-by-step explanation:
Formula

As given
If Mary deposits $275 in principal at an interest rate of 3.2 percent .
Principle = $275
Rate = 3.2%
Time = 1 year
Putting all the values in the formula


Simple interest = $88
Therefore the Mary earns interest in one year is $88 .
Answer:
Step-by-step explanation:
2x-6y=2
....(1)
-4x+8y=-8....(2)
divid the equation (2) by : - 2 x +4y = - 4...(3)
add (1) and (3 ) :2x-6y - 2 x +4y =2-4
-2y=-2
y = 1
put y=1 in (1) : 2x-6(1)=2
2x=8
x =4
Answer:
4.600 x 107 km (3.075 x 10-1 A.U.)
Step-by-step explanation: