Jessica has 20 chocolates. After 4 hours, she has 12 chocolates. How many chocolates does she eat per hour?

Jessica eats 2 chocolates an hour.

Step-by-step explanation: To find how many she eats in hour, we would first subtract the number of chocolates by the number that are left (20 - 12), which equals 8. Next, we would divide the total by the time spent eating (8 / 4), or 2.

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34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm