Free Republic
Browse · Search
General/Chat
Topics · Post Article

To: mmichaels1970

48÷2(9+3)

#1 the () is the priority..
#2 next would be the other equation (48/2)..
#3 the () is multiplied times the answer of #2
#4 288


105 posted on 04/12/2011 2:11:07 PM PDT by Bikkuri
[ Post Reply | Private Reply | To 82 | View Replies ]


To: Bikkuri
#2 next would be the other equation (48/2)..

Nope - 2(9+3) has priority due to parenthesis. The distributive property of multiplication tells us that 2(9+3) = (2*9)+(2*3) = 18+6 = 24 = 2(9+3) = 2*12. To say otherwise is to violate this basic algebra principle.

135 posted on 04/12/2011 2:28:33 PM PDT by meyer (We will not sit down and shut up.)
[ Post Reply | Private Reply | To 105 | View Replies ]

To: Bikkuri
48÷2(9+3)

#1 the () is the priority..
#2 next would be the other equation (48/2)..
#3 the () is multiplied times the answer of #2
#4 288

Now, see the way I was taught, back in the day was

48÷2(9+3)

#1 the () is the priority..9+3=12
#2 is the implied * between 2 and (9+3) 2 = 2*12 = 24
I was taught that if there was any number next to a paran - it was implied that you would multiply that number by whatever result came from the paran equation.
#3 is the remaining divider 48/24 = 2

The answer is 2

I love FR, only here would we get into this discussion. :-)

136 posted on 04/12/2011 2:29:14 PM PDT by RikaStrom (Pray for Obama - Psalm 109:8 "Let his days be few; and let another take his place of leadership.")
[ Post Reply | Private Reply | To 105 | View Replies ]

To: Bikkuri
48÷2(9+3)

#1 the () is the priority..
#2 next would be the other equation (48/2)..
#3 the () is multiplied times the answer of #2
#4 288


To begin with, 48÷2(9+3) is not an equation and 48/2 is not "the other equation."

Second, 2 would be the divisor of the dividend 48 only in this case: (48÷2)(9+2).

Third, as written, 2 is the first of two multiplicands; the sum of 9 and 3, or 12 is the second. The operation between multiplicands, like terms, must be completed first.

Fourth, the dividend 48 divided by the product (24) of two multiplicands (2 and 12) yields a quotient of 2.
450 posted on 04/12/2011 8:33:43 PM PDT by aruanan
[ Post Reply | Private Reply | To 105 | View Replies ]

Free Republic
Browse · Search
General/Chat
Topics · Post Article


FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson