Question

Malia needs to spend at least 80 hours in swim practice this month. Her events are backstroke and freestyle.

Write an inequality to represent Malia’s situation.

Answer 1

hi!

Answer 2

so Malia needs at least a total of 8 hrs this month, right?

Answer 3

*80 ... sorry

Answer 4

a. \[x+y \le80 \]
b.x+y>80
c. x+y<80
d. \[x+y \ge80\]

Answer 5

so she swims two strokes; backstroke and freestyle; those are your two variables

Answer 6

ok..

Answer 7

so i would say freestyle is x and backstroke is y

Answer 8

right

Answer 9

so x + y should be greater that or equal to 80
because she needs AT LEAST 80 hrs, right?

Answer 10

yes

Answer 11

\[x + y \ge 80\]

Answer 12

so that would mean it would be D?

Answer 13

yeah!

Answer 14

Thanks :D

Answer 15

you're welcome!

Answer 16

Would you mind helping me with one more?

Answer 17

sure :D

Answer 18

Autumn has $20 to spend on nuts for a party. Peanuts cost $2 per pound and cashews cost $4 per pound.

Write an inequality to represent the party nut situation.

Answer 19

peanuts are x
cashews are y

Answer 20

kay

Answer 21

she can only spend 20

Answer 22

so it has to be less than or equal to...

Answer 23

so it would be like

Answer 24

2x+4y(less than or equal to sign)20 ?

Answer 25

so...
2x + 4y should total up to less than or equal to 20...
the 2 is because peanuts are $2 and the 4 is because cashews are $4

Answer 26

so yeah! u r correct!

Answer 27

Alright thanks so much >:D