Pedro's book weighs 19 4 pounds. Blanca's book weighs 17 7 pounds. Use estimation to determine about how much more Pedro's book weighs than Blanca's.

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

What is the best estimate of the length of a football

20 ! brainliest ! add and simplify your answer.