Dad spends $227.06 at the grocery store,$95.55 at the shoe store,and $35.16 at the dry cleaners how much did dad spend in all?
2 answers:
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Answer:
<em>59</em>
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Step-by-step explanation:
If a number is divided by and leaves a remainder
, then the number
will be completely divisible by
.
Therefore, when we say a number , when divided by 6, it leaves a remainder 5, then (
) will be a multiple of 6.
When we say a number , when divided by 5, it leaves a remainder 4, then (
) will be a multiple of 5.
When we say a number , when divided by 4, it leaves a remainder 3, then (
) will be a multiple of 4.
When we say a number , when divided by 3, it leaves a remainder 2, then (
) will be a multiple of 3.
So, is a common multiple of 3, 4, 5 and 6.
Taking LCM of 3, 4, 5 and 6, we get 60.
So, the number 60 - 1 = <em>59</em> is the least such number.
Answer:
B.
Step-by-step explanation:
We are told that the smallest object visible with our eyes is similar to the width of a piece of hair, which is meters wide.
Using an optical microscope, we can see items up to meters wide.
To find the objects we can see with our eyes are how much larger than the objects we can see with an optical microscope, we can set an equation as:
Using the exponent rule of quotient we will get,
Therefore, the objects we can see with our eyes are times larger than the objects we can see with an optical microscope and option B is the correct choice.