Convert 420 s to min. Find x.
Pre-nursing math (entrance exam) worksheet with answers
1.Easy
420 s1 min = 60 s
x = min
2.Easy
Solve for x: x − 13 = 4.
x − 13 = 4
x =
3.Medium
A pair of shoes costs $31.25. It is on sale at 40% off, and a sales tax of 5% is added to the sale price. What is the final price P? Round to the nearest cent.
$31.25−40%+5%
P = $
4.Medium
Use the order of operations to find the value of x: x = 40 − 4³ + 9 × 2.
x = 40 − 4³ + 9 × 2
x =
5.Hard
A mother is 3 years older than 3 times her son’s age. Together their ages add up to 51 years. How old x is the son?
Σ = 51
x = years
6.Hard
In a 50% off sale, a stethoscope costs $47.5. What was the original price x, in dollars?
$47.5−50%
x = $
Answer key
- 1. x = 7 min
- 2. x = 17
- 3. P = 19.69 $
- 4. x = −6
- 5. x = 12 years
- 6. x = 95 $
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