Answer:
Step-by-step explanation:
5x = 30
If there are 5 students in a row, find the number of rows given that the number of total students is 30.
Here 'x' represents the number of row
Answer:
nice and
since it is complementary then a +b = 90
and substitution gives
69 + b = 90
b = 21
hope this helped and brainliest pls
Answer:
2.8
Step-by-step explanation:
2.8*10=28
Also, when you multiply 2.8 by 10, you can just move the decimal to the right once, giving you 28.
He is not correct, his mistake was multiplying 1/2 to 2x and 1, when you should have multiplied the negative to them.
