Answer:
54
Step-by-step explanation:
First add like terms: 5x+90=360
Then subtract 90 from both sides: 5x=270
Then divide both sides by 5: x=54
He was there for 3 hours.
Explanation:
160-55=105
105 divided by 35 to find the number of hours.
36 is 45% of 80
36/80 multiple both nominator and denominator by 100/100.
If using a calculator simply 36 divided by 80 and multiply by 100 giving you 45%
Answer:
506
Step-by-step explanation:
Given that :
Number students admitted in 2017 = 207
Number of students admitted in 2018 = 299
To obtain the number of students admitted in both years, we use the addition operator as it is an addition problem. It requires the sum of students admitted both in 2017 and 2018
Number students admitted in 2017 + Number students admitted in 2018
207 + 299 = 506
506 students were admitted in total in both 2017 and 2018
