-5x-10=10 solve for x
2 answers:
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Since we know that a number is divisible by 3 if the sum of all digits is divisible by 3.
Let us check which digits will make 371? divisible by 3.
11 is not divisible by 3.
Now let us check other digits as well.
12 is divisible by 3.
15 is also divisible by 3.
18 is divisible by 3 as well.
Therefore, 1, 4 and 7 in tenth place will make our number divisible by 3 and our numbers will be 3711, 3714 and 3717.
Answer:
Step-by-step explanation:
From the given table,
To prepare a mixture of a paint, two paints of different shades have been added in the same ratio,
Since, 2 cups of blue paint are mixed with 10 cups of yellow paint
Therefore, ratio in which these shades have been added =
=
=
= 5 : 1
For 1 cup of blue paint number of cups of yellow paint required,
x = 5 cups
For 3 cup of blue paint number of cups of yellow paint required,
x = 15 cups
Cups of blue paint Cups of yellow paint
2 10
1 5
3 15