There are 24 hours in one day. when you count from 1-24, (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24) the number 7 shows up twice
7.5 Devide 30 by 4 and it is 7.5 that is how much she saved
Answer: 
Step-by-step explanation:
Given
The temperature on Tuesday is 
Temperature drops to
on Wednesday
Net drop in temperature 
The temperature drops twice from Wednesday to Thursday

Temperature on Thursday

Answer:
its 50
Step-by-step explanation:
Unit rate means how much does it cost for 1 unit
2.64 for 12 pencils
find 1 pencil
divide both sides by 12
0.22 for 1 pencil
0.22 per pencil