1. Which proportion can be used to determine what number is 15% of 30? (1 point)
fifteen over thirty equals x over one-hundred
fifteen over one-hundred equals x over thirty
fifteen over one-hundred equals thirty over x
thirty over one-hundred equals fifteen over x
2. Which equation can be used to determine what number, n, is 40% of 64? (1 point)
(40)(64) = n
40 ÷ 64 = n
0.40(64) = n
3. 64n = 0.403. What number is 75% of 300? (1 point)
36
22.5
2,250
225
4. 28% of 80 is what number? (1 point)
22.4
2.24
224
24.4
5. Which equation would provide the best estimate of 32% of 44.7? (1 point)
The fraction is 1 over 3. • 40 = n
two-thirds • 45 = n
The fraction is 1 over 3. • 45 = n
two-thirds • 44 = n