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Anuta_ua [19.1K]

3 years ago

11

So is 1.5 greater than 3 ???

1 answer:

guapka [62]3 years ago

7 0

Are you familiar with decimals? It's just an extension of the basic place value you've learned about before. Think of the number 21. "2" is in the tens place, and "1" is in the ones place.

Well, in this question, "1" is still in the ones place. HOWEVER, we have another number AFTER something called a decimal point (.), which shows that now we're getting into digits less than one. "5" is in what's called the tenths place, in which all the numbers are less than one. In other words, 1.5 is equal to 1 + 0.5. 0.5 is less than one, because it is a number in the tenths place.

Obviously, 1+1=2, right? And 2 is less than 3. Well, since 0.5 is even LESS than 1, 1+0.5 is less than 2. Therefore, 1.5 is less than 2, which is less than 3. So, 1.5 is LESS than 3, not greater than.

Answer: No, it's the other way around! 1.5 is LESS than 3.

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3 years ago

scott made $374 for 17 hours of work. At the same rate, how many hours would he have to work to make $242

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4 years ago

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Oduvanchick [21]

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3 years ago

What is the ratio of red to blue cars there were 32 red cars and 16 blue cars

Rufina [12.5K]

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3 years ago

Can someone help me the 2nd problem I don’t understand it

Galina-37 [17]

Answer:

So this means the bus B covered 390-120=270 miles when bus A has already reached 390 miles.

270 miles

Step-by-step explanation:

So is A is going faster than B so A will reach the destination first.

When will A reach it's destination?

Let's find out.

To solve this problem, the following will come in handy:

Speed=distance/time or time*Speed=distance or time=distance/speed .

time=distance/speed

$T_A=\frac{390}{S_A}$

$T_A=\frac{390}{65}$

$T_A=6$

So it will take bus A 6 hours to cover the distance of 390 miles.

How much time would have it taken bus B to reach that same distance?

$T_B=\frac{390}{45}$

$T_B=8.\overline{6}$

So it would have taken bus B $8.\overline{6}$ hours to cover a distance of 390 miles.

So the time difference is $8.\overline{6}-6=2.\overline{6}$ hours.

It will take $2.\overline{6}$ more hours than bus A for bus B to complete a distance of 390 miles.

So bus B traveled $2.\overline{6} \cdot 45=120$ miles (used the time*speed=distance) after bus A got to it's destination.

So this means the bus B covered 390-120=270 miles when bus A has already reached 390 miles.

4 0

3 years ago