Question

Bill and Ron build towers using blocks. The expression 4b + 2 represents the number of blocks Bill uses. The expression 8b – 5 represents the number of blocks Ron uses.

Complete the expression to represent the total number of blocks Bill and Ron use.

Answer 1

@pooja195

Answer 2

So
4b+2=8b-5
now you need so solve for b i assume?

Answer 3

yeh. so....

Answer 4

Start by subtracting 2 from both sides
-5-2= ?

Answer 5

so 4b and 8b-5?

Answer 6

Actually im not really sure >_<
@ChantySquirrel1129** @AlexandervonHumboldt2

Answer 7

@Anaise

Answer 8

I would assume you set both equations equal to each other though :-/

Answer 9

hmmm

Answer 10

@bubblegum.

Answer 11

no

Answer 12

no what?

Answer 13

no

Answer 14

will u help or not

Answer 15

@sleepyjess

Answer 16

total blocks used=total blocks used by bill +total blocks used by ron
=\((4b+2)\)+\((8b+5)\)

just open the brackets and simplify to get the expression which represents total number of blocks used :)

Answer 17

@bubblegum. but its 8b -5 not 8b +5

Answer 18

neither of the above

Answer 19

i dont understand

Answer 20

bubblegum, jett was saying that the second equation is 8b - 5, not 8b + 5

Answer 21

oh sorry its 8b-5
i made a typo there

Answer 22

ok but how do u add it

Answer 23

@bubblegum.

Answer 24

see this- http://www.cymath.com/answer.php?q=(4b%2B2)%2B(8b-5)

Answer 25

thx

Answer 26

np ;)