Answer:
t=30
Step-by-step explanation:
Answer:
60 miles in 50 minutes
Step-by-step explanation:
(18 miles/ 15 mins)* 50 minutes= answer
v
1.2 * 50
v
60
Answer:
90
Step-by-step explanation:
Start with changing 35% and 30% to a decimal.
35% = .35%
30% = .30%
Then multiply 105 by .30%. ( but don't put the percent sign in the calculator when multiplying)
105 x .30% = 31.5
Then you want to divide 31.5 by .35%
31.5 / .35% = 90
Answer:
60
Step-by-step explanation:
60/4=15
15>7
Number of exams per semester = 5
Average of first four exams = 90
Therefore,
Total of first four exams = 90*4 = 360 marks
Based on 5 exams,
Average = 360/5 = 72