Question 101
Solve using the substitution method: NOTE: Round long decimals to the nearest one hundredth. y = 3x גˆ’ 87 3x + 2y = 21
- x = גˆ’21.67 y = 21.99
- x = 21.67 y = גˆ’21.99
- x = 21.67 y = 21.99
- x = גˆ’21.99 y = גˆ’21.67
Question 102
Put these four fractions in order from smallest to largest: 1/4, 2/3, 4/7, 1/2
- 1/4, 1/2, 4/7, 2/3
- 1/4, 1/2, 2/3, 4/7
- 1/2, 2/3, 1/4, 4/7
- 1/4, 4/7, 1/2, 2/3
Question 103
Which of the following is a factor of 450 and multiple of 25?
- 30
- 75
- 90
- 100
Question 104
How many ways can 6 people sit on a bench if 3 of them have to sit side by side?
- 720
- 5040
- 144
- 24
Question 105
There is a 12% sales tax. The pre-tax cost of a mobile phone is $280. What is the tax payable on this mobile phone?
- $28.56
- $33.60
- $312
- $313.60