Question

last week, the attendance at the golden county museum of history was 320 people. next week, the attendance is expected to increase by 85% for a wildcat exhibit. find the attendance expected next week.
step 1
model the problem.
the whole is □ people. 200% of the whole is □ people.

Explanation:

Step1: Identify the whole value

The whole is last week's attendance: $320$

Step2: Calculate 200% of the whole

200% of a number is the number multiplied by 2.
$320 \times 2 = 640$

Step3: Calculate 85% increase amount

First find 85% of 320: $320 \times 0.85 = 272$

Step4: Find next week's attendance

Add the increase to original attendance: $320 + 272 = 592$

Answer:

The whole is $\boldsymbol{320}$ people. 200% of the whole is $\boldsymbol{640}$ people.
The expected attendance next week is $\boldsymbol{592}$ people.