Harlan used 3 and 1/2 kg of sand to make a large hourglass. To make a small hourglass, he only used 1 and 3/7 kg of sand. How much more sand does it take to make the large hourglass than the small one?
What is 2 and 1/14 kg?
100
2/4
What is
1/2
100
1/2 = ?/4
What is 2/4
200
5 and 2/5 plus 2 and 3/5
What is 8
200
7/8 - 1/3
What is
13/24
200
String A is 3 and 5/6 meters long. String B is 2 and 1/4 meters long. What is the total length of both strings?
What is 6 and 1/12 meters?
200
6/8
What is
3/4
200
3/8 = ?/16
What is
6/16
300
3/4 + 1/7
What is
25/28
300
2 and 1/4 minus 1 and 1/5
What is 1 and 1/20
300
Sinister Stan stole 3 and 3/4 oz. of slime from Messy Molly, but his evil plans required 6 and 3/8 oz. of slime. He stole another 2 and 3/5 oz. from Rude Ralph. How much more slime does Sinister Stan need for his evil plan?
What is 1/40 oz?
300
15/25
What is
3/5
300
2/5 = ? /25
What is
10/25
400
2 and 6/7 plus 5 and 2/3
What is 8 and 11/21
400
3 and 1/4 minus 2 and 1/3
What is
11
---
12
400
A boxer needs to lose 3 and 1/2 kg in a month to be able to compete as a flyweight. In three weeks, he lowers his weight from 55.5 kg to 53.8 kg. How many kg must the boxer lose in the final week to be able to compete as a flyweight?
What is 1 and 4/5 kg?
400
14/21
What is
2/3
400
4/5 = 16/?
What is
16/20
500
15 and 5/8 plus 5 and 2/5
What is 21 and 1/40
500
18 and 3/4 minus 5 and 7/8
What is 12 and 7/8
500
Mark wants to save 2 and a half minutes on his 5K race time. After a month of hard training, he managed to lower his overall time from 21 and 1/5 minutes to 19 and 1/4 minutes. By how many more seconds does Matt need to lower his race time?