Math Quiz Answers 8

Updated

Round eight's answers. Three quarters plus two fifths is 23 over 20, a twenty pound book falls to fifteen after a quarter off, and the square root of 144 is twelve.

Solving 2x plus 7 equals 15 gives x equals 4, sixty miles an hour for three hours covers 180 miles, the rectangle is 40 square units, and the circle is roughly 113 square centimetres.

  1. 23/20 or 1 3/20
  2. £15
  3. 12
  4. x = 4
  5. 180 miles
  6. 40 square units
  7. 113 square centimeters.
  8. 72
  9. 2 cups
  10. £24.50
  11. 28
  12. 200 miles.
  13. x = 8
  14. £7.20
  15. 30
  16. 1/2
  17. 216 cubic inches
  18. £90
  19. 3/4 teaspoon
  20. 19