Question

1. The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)

2. It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?

Answer 1

Chịu

Answer 2

Khó quá, mình không biết giải.

Answer 3

Dễ quá bài này mình thi đối với thi giải toán bằng T.A quốc tế là chuyện nhỏ(mk huy chuong Đồng nè!