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3 years ago

9

Keri walks her dog every morning. The length of tue walk is 0.55 kilometers on each weekday. One each weekend day, the walk is 1

.4 times as long as a walk on a weekday. How many kilometers does keri walk in one week

1 answer:

aliya0001 [1]3 years ago

7 0

Kiri walks : 4 km per week

0.5 × 5 + 0.75 × 2 = 2.5 + 1.5 = 4 km per week.

WHY?

Because 0.55 is close to 0.5 and 1.4 is closer to 1.5

HOPE THIS HELPS

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Read 2 more answers

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olya-2409 [2.1K]

Answer:

yo i only got number 4 for you but here it goes.......: 0.70x+18y-5

Step-by-step explanation:

(0.75x - 12y) + (-5 + 6y - 0.5x)

regroup to the variables : (0.70x-0.5x) + (12y+ 6y-5)

put it together: (0.70x)+(18y-5)

you cant add unlike terms so you remove the parenthesies and your done.

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