Question

At a sporting goods store, sweatshirts are on sale for 30% off the regular price, r, in dollars. Lana has a coupon for $5 off any single item at the store. The expression 3(r – 0.3r) – 5 represents the total cost before tax if Lana buys 3 sweatshirts.
A. 3r-0.3r-5
B. 2.1r-15
C. 3(0.7r)-5
D. 3(r-0.3r-5)
E. 3r-0.9r-5


which ones show whether or not it represents the total cost before tax.

Answer 1

@Daniel56k

Answer 2

idk any of these so yeaaa

Answer 3

Math rule
BODMAS
Bracket Of Division Multiplication Addition and Subtraction

Answer 4

just open up the bracket but using 3 to multiply what is in the bracket

Answer 5

lol i learned pemdas, but my friend goes by bodmas

Answer 6

Just multiply the function by 3

Answer 7

@purple_pink funny so what do u think

Answer 8

funny? and idk im kinda dumb when it comes down to math

Answer 9

@Daniel56k ?

Answer 10

@Daniel56k

Answer 11

okay type out the question here

Answer 12

is long

Answer 13

At a sporting goods store, sweatshirts are on sale for 30% off the regular price, r, in dollars. Lana has a coupon for $5 off any single item at the store. The expression 3(r – 0.3r) – 5 represents the total cost before tax if Lana buys 3 sweatshirts.
Drag each expression to the table to show whether or not it represents the total cost before tax.

A. 3r-0.3r-5
B. 2.1r-15
C. 3(0.7r)-5
D. 3(r-0.3r-5)
E. 3r-0.9r-5

Answer 14

omg, so long!! ow there

Answer 15

E

Answer 16

does that represent the total cost before tax?

Answer 17

yes

Answer 18

what about the other?

Answer 19

do the rest not represent the total cost before tax?

Answer 20

@Daniel56k

Answer 21

no

Answer 22

then? cuz they all have to go somewhere

Answer 23

total tax normally is 2.1r-5

Answer 24

ya

Answer 25

ok