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Eva8 [605]
3 years ago
7

If Dana makes 18 calls in 6 hours how many how many calls does she make in 1 hour

Mathematics
2 answers:
balu736 [363]3 years ago
7 0
She can make 3 calls because if u divide 18 by 6 you get a whole number and that is 3 to check the work u can do 6 by 3 and get a whole number,18
alekssr [168]3 years ago
7 0

Answer:

Dana gets 3calls per hour

Step-by-step explanation: divide 18 by 6 because 18 is how many calls and six is how many hours so 18Divided by six equals three that means three calls per hour

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Jerry has a miniature model of a boat. He knows that the boat is 3 3/4 inches wide and 5 1/2 inches long. What is the actual len
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Width of the miniature model = 3\frac{3}{4} inches

Length of the miniature model = 5\frac{1}{2} inches

The actual width of the boat = 15 feet

Let us find the actual length of the boat.

Write it in a proportion form.

width of model : length of model : : width of actual : length of actual

$\Rightarrow 3\frac{3}{4}:5\frac{1}{2}::15:x

$\Rightarrow\frac{15}{4}:\frac{11}{2}::15:x

$\Rightarrow\frac{\frac{15}{4}}{\frac{11}{2}} =\frac{15}{x}

Do cross multiplication.

$\Rightarrow{\frac{15}{4}x =15\times\frac{11}{2}

$\Rightarrow{\frac{15}{4}x =\frac{165}{2}

$\Rightarrow x =\frac{165}{2}\times{\frac{4}{15}

⇒ x = 22

Hence the actual length of the boat is 22 feet.

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