Answer:
The number of original students desk were there before the purchase is 980 .
Step-by-step explanation:
Given as :
The total number of students and teachers new desks to be purchased = 295
The number of teacher's new desk to be purchased = 50
So , The number of student's new desk to be purchased = 295 - 50 = 245
The number of student's new desk to be replaced this year =
of the original students desk
Let The number of original students desk were there before the purchase = x
Or, According to question
of x = 245
Or, x = 245 × 4
∴ x = 980
Hence The number of original students desk were there before the purchase is 980 . Answer
Answer:
6.93
Step-by-step explanation:
hope this helps
Answer:
10 times greater
In the first number, 3 represents 30,000, but in the second number 3 represents 3,000 so 30,000 is 10 times greater
Answer:
Step-by-step explanation:
This is arithmetic since adding 4 to each term gets us to the next term in the sequence. That means that the common difference, d, is 4. The general arithmetic explicit formula is
and using the info given when a1 = 3 and d = 4:
or, if you want to make it easier to deal with:
(I just distributed through the parenthesis and then combined like terms. As you can see, arithmetic sequences are linear).