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True [87]
3 years ago
12

Please answer soon.

Mathematics
1 answer:
Eva8 [605]3 years ago
3 0

<u>Answer-</u>

Set of constraints to model the problem are,

12x+9y\geq 510\\y \leq 2x\\y \geq 25

<u>Solution-</u>

Let us assume,

x = the number of lawns weeded by Gwen,

y = the number of dogs walked by Fabio.

Gwen charges $12 each time she weeds a yard and Fabio charges $9 each time he walks a dog,

\text{Earnings of Gwen} = 12x\\\text{Earnings of Fabio} = 9y\\\text{Total earnings of Gwen and Fabio} = 12x+9y

They need at least $510 to purchase the new gaming station, means they need $510 or more than $510.

An equation for this situation will be,

12x+9y\geq 510

The number of dog walked by Fabio has scheduled is no more than twice the number of yards Gwen has scheduled to weed, means y must be less than or equal to 2x.

An equation for this situation will be,

y \leq 2x

Fabio will walk at least 25 dogs, means y must be greater than of equal to 25.

An equation for this situation will be,

y \geq 25


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The area of any given rectangle can be found by multiplying the length of that rectangle by its width. The rectangle on the left side has a length of 9cm but the width is unknown. To find the width, we subtract 6cm from the width of the bottom rectangle: 10cm. And that gives us 4cm.

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