Mathematics

Paula Cooke

8 July, 00:40

Which proportion can be used to determine what number is 15% of 30?

A. 15/30=x/100

B. 15/100 = x/30

C. 15/100 = x/30

D. 30/100=15/x

Which equation can be used to determine what number, n, is 40% of 64?

A. (40) (64) = n

B. 40:64=n

C. 0.40 (64) = n

D. 64n=0.40

What number is 75% of 300

A. 36

B. 22.5

C. 2250

D. 225

28% of 80 is what number?

A. 22.4

B. 2.24

C. 224

D. 24.4

Which equation would provide the best estimate of 32% of 44.7?

A. 1/3º40=n

B. 2/3º45=n

C. 1/3º45=n

D. 2/3º44=n