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marishachu [46]
3 years ago
10

Sixty-seven biscuits are to be fed to 10 pets; each pet is either a cat or a dog. Each dog is to get seven biscuits, and each ca

t is to get six. How many dogs are there?
Mathematics
1 answer:
VLD [36.1K]3 years ago
3 0

Answer:

There are 7 dogs.

Step-by-step explanation:

7 (dogs) x 7 (biscuits) = 49

3 (cats) x 6 (biscuits) = 18

49 + 18 = 67

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A toll bridge charges $1.00 for passenger cars and $2.25 for other vehicles. Suppose that during daytime hours, 60% of all vehic
lora16 [44]

Answer:

Total revenue = 13.5 + 9 = $22.5

Step-by-step explanation:

The toll charges $1.00 for passenger cars and $2.25 for other vehicles. During daytime hours  60% of all the vehicles are passenger vehicles.

A particular daytime period 15 vehicle crossed the bridge. Recall that during daytime period, 60% of all the vehicles are passenger vehicles . Therefore,

Passenger vehicles = 60% of 15

Passenger vehicles = 60/100 × 15

Passenger vehicles = 900/100

Passenger vehicles = 9

9 of the vehicles are passenger vehicle and the charges for passenger cars is $1.00. other vehicle is $2.25.

revenue for passenger cars = 1 × 9 = $9

revenue for other vehicles = 2.25 × 6 = $13.5

Total revenue = 13.5 + 9 = $22.5

8 0
3 years ago
Samara ate 1/3 of a pizza and Vyolet ate 1/5 of the pizza. How much of the pizza did they eat in all?
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All together, the two girls ate 8/15 of a pizza. you mulitply your fractions out of equal denominaters and get that.
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3 years ago
Your velocity is 13 feet per second are you moving up or down?
beks73 [17]

Velocity is speed. It doesn't matter what direction.

3 0
3 years ago
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Solve the systems using substitution.<br><br> − 2x − 5y = − 5<br> x = 5y − 20
Law Incorporation [45]
-2(5y-20) - 5y = -5
-10y + 40 - 5y = -5
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