Answer:
Step-by-step explanation:
Think, how many different variations are there? The answer is 16: 4 times 4=16
how many of these variations could be the same? lets check:
7 and 7 <u>1</u>
2 and 2 <u>2</u>
2 options out of 16, so the answer is 2/16 which can be simplified to:
I hope this helps u!
Please give brainliests(i had 40 now for no reason down to 2 :.( ) and a thx ;)
Answer:
Correct option is (C)
Step-by-step explanation:
we are given that -Tim design a pair of shorts,S, and T-shirts,t.
Tim sell Sorts for $12 and T-shirts for $8 each.
Tim can work atmost 18 hours a day so we can write
Time taken to design a T-shirt is 30 minutes and for Shorts, it is 45 minutes.
He must design 12 itesm each day, so we can write
Further it can be written as
Also Tim can not design more than 30 items in one day, so we can write
Hence from the above equations , its claer that
Answer:
the percent of increase is 24%
Step-by-step explanation:
The percent of increase in general could be calculate as:
where Vf is final value and Vi is initial value.
From the question we know that Vi is equal to 25 and Vf is equal to 31. Replacing this values on the equation we get:
That's mean that at second attempt the percent of increase is 24%, taking into account that at the first attempt a student get 25 questions correct.