1) Finley's pumpkin had a mass of 6.5 kilograms before he carved it. After carving it, the pumpkin had a mass,of 3.9 kilograms. What was the percent decrease in the mass of the pumpkin?2) Ayden had a goal of finishing painting at least 80% of the 500 square meters of a house's walls by today. He actually finished painting 415 square meters today. Did Ayden meet his goal? True of False.3) This week Nabila worked out for 15 hours as part of her exercise training. Last weekshe worked out for 17 hours. How much was the percent of decrease of exercisehours this week from last week?

Question

1) Finley&#039;s pumpkin had a mass of 6.5 kilograms before he carved it. After carving it, the pumpkin had a mass,of 3.9 kilograms. What was the percent decrease in the mass of the pumpkin?2) Ayden had a goal of finishing painting at least 80% of the 500 square meters of a house&#039;s walls by today. He actually finished painting 415 square meters today. Did Ayden meet his goal? True of False.3) This week Nabila worked out for 15 hours as part of her exercise training. Last weekshe worked out for 17 hours. How much was the percent of decrease of exercisehours this week from last week?

abortargy · Accepted Answer

Step 11) decrease in mass of pumpkin   =  (  6.5  −  3.9  )  6.5  &quot;  100  %decrease in mass of pumpkin   =  (  2.6      /    6.5  )  100  %decrease in mass of pumpkin   =  0.4  ⋅  100  %decrease in mass of pumpkin   =  40  %Step 22) 80% of 500 square meters   =  (  80      /    100  )  &quot;  50080% of 500 square meters   =  80  &quot;  580% of 500 square meters   =  400 square meters  415  −  400so he reached his goalTRUEStep 33) decrease   =  (  17  −  15      )                  /            17        ⋅  100  %  ⇒  d  e  c  r  e  a  s  e  =  (  2      /    17  )  ⋅  100  %  ⇒  d  e  c  r  e  a  s  e     (  200      /    17  )  %     e  x  a  c  t  l  y  ⇒  d  e  c  r  e  a  s  e  =  11.765  %     a  p  p  r  o  x  i  m  a  t  e  l  y

Finley's pumpkin had a mass of 6.5 kilograms before he carved it. After carving it, the pumpkin had a mass,of 3.9 kilograms. What was the percent decrease in the mass of the pumpkin?

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