Question

Mario cuts a loaf into 12 equal slices. He needs at least 5000 cubic centimeters of bread for a recipe. Mario will need to use at least __
slices from this loaf for this recipe

Answer 1

Let's say that the volume of each slice is x.

Answer 2

alright

Answer 3

would it be 12x = 5000

Answer 4

Close

Answer 5

You need at least 5000 cubic cm.

That means that the 12 sices (or 12x) has to be equa to or greater than the 500 cubic cm.

Answer 6

12x \(\ge\) 5000

Answer 7

ohhh alright thanks man

Answer 8

Ok, now, a you need is to sove for x...
yw

Answer 9

x \[x \ge 416\]

Answer 10

well, your answer was, really, \(\color{blue}{x \ge 416.66666...}\)

Answer 11

To say that x is at east 416 is incorrect, because if you chose 416.2 cm then you woud not get enough

Answer 12

Aso, once you round, the 7 rounds up, not down

Answer 13

yea yea i know i was just makeing sure hat was like what you got arund

Answer 14

\(\color{blue}{x \ge 416.\overline{6}}\)

do you know what that notation means with the bar on top of 6?

Answer 15

yes its repearting

Answer 16

very good

Answer 17

Or, if you want to round to nearest integer (if you are really required)
\(\color{blue}{x \ge 417}\)

Answer 18

alright thanks

Answer 19

When rounding.

81, 82, 83, 84 --> wil round down, to 80.
85, 86, 87, 88, 89 --> wil round down, to 90.

Answer 20

or another examle

When rounding.

1201, 1202, 1203, 1204 --> will round down, to 1200.
1205, 1206, 1207, 1208, 1209 --> will round up, to 1210.

Answer 21

yw