Final answer:
To find 65% of 90, you need to multiply 65% (or 0.65) by 90.
Step-by-step explanation:
To find 65% of 90, you need to multiply 65% (or 0.65) by 90. This can be represented as:
65% of 90 = 0.65 × 90
Calculating this will give you:
65% of 90 = 0.65 × 90 = 58.5
Therefore, the proportion that can be used to find 65% of 90 is 0.65.