I get C for this one...I multiplied each of the numbers in the first by all in the second then combined like terms....hope this helps
Answer:
d
Step-by-step explanation:
Answer:
Therefore, beats per minute did increase for 36.
Step-by-step explanation:
48: 2/3=x:1
48=2/3 × x
x=3/2×48
x=72
81:3/4=x:1
81=x×3/4
x=4/3×81
x=108
Therefore, beats per minute did increase for 36.