Mike wants to buy a 20 oz bottle of water for $4.00. Mary isn't as thirsty and only wants an 8 ounce bottle of water for $1.75.

Mike says "its cheaper PER OUNCE to buy the 20 oz bottle of water." Mary disagrees.

Who is correct and why?

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?