Each book costs $15. 90 divided by 6 is 15 which is also 90 over 6.
6 times a number n is 6n.
In algebra, when number multiply with variables, you don't need a multiplication sign (x). You just put them together like 6n (instead of 6 x n).
Happy to Help!
Frederick is working on a number puzzle and discovers that the product of the two base numbers is exactly twice as large as the sum of those same base numbers.
Help on this, please?
Answer:
A=5 units squared
Step-by-step explanation:
A=1/2(l*w)
A=1/2(5*2)
A=1/2(10)
A=5