Mathnasium 981 Governor Drive, #104, El Dorado Hills CA 95762 (916) 673-9119   eldoradohills@mathnasium.com

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News from Mathnasium of El Dorado Hills

Problem of the Week

Nov 21, 2021

 

 

 

 

 

 

Did you figure it out?

Answer:  1,875 days

Solution:  First, we need to know how many pounds of peach the friends are eating. Since a ton is 2,000 pounds, 8 tons is 16,000 pounds. The peach pit weighs half a ton, which is 1,000 pounds, so the friends eat a total of 15,000 pounds of peach. In total, they eat 8 pounds of peach per day, so we divide 15,000 ÷ 8 to find that it will take them 1,875 days to eat the whole peach.

 
 
 
 
 
 
 

 

 

 

 

 

 

Did you figure it out?

Answer:  25 miles per hour

Solution:  Since the seagulls’ speed is slowed by 5 miles per hour, we can represent their slowed speed as (x – 5) if x is the speed they fly in still conditions. Since “distance = rate × time,” we can set up this equation:

260 = (x – 5) × 13

When we solve for x, we get 25 miles per hour.