Answer: 86 photos
Step-by-step explanation:
This is because since Mariko has 23 fewer photos than <u><em>Sharon</em></u> this means that Sharon's photos must be <u><em>greater</em></u>.
63 + 23 = 86
= 86 photos
Answer: 6.65
Step-by-step explanation:
19-(19×.65)
Answer: 2 hours
Explanation: As Jenny left the hospital 3 hours before Kristin and was travelling at 30 km/hour she should have gotten 90 km before Kristin started driving. As Kristin was travelling at 75 km/hour she will get 45 km closer to Jenny every hour (30-75= (-45)). 45 km/90 km= 2 hours to catch up.
Answer:

Step-by-step explanation:
We want to determine an expression equivalent to: 

Therefore:



721% is the right answer.