Read the word problem. kendra has 3 times as much money as her two younger siblings. how much money does kendra have if her younger brother has $10 and her younger sister has $4? what operations are needed to solve this word problem, and in what order should they be used? addition and subtraction, in that order addition and multiplication, in that order subtraction and division, in that order subtraction and multiplication, in that order

Step-by-step explanation:

10 x 3 = $30

10 x 4 = $12

$30 + $12 = $42 in think thats the answer i havent been to school in a while

The operations that are needed to solve this word problem and the order of operations is:

          Addition and Multiplication, in that order.

It is given that:

Kendra has 3 times as much money as her two younger siblings.

i.e. the sum of money both the siblings , he has three times of that sum.

Her younger brother has $10 and her younger sister has $4.

This means that the sum of money both younger siblings has is:

                $ 10+$ 4 = $ 14.

Now, the money Kendra has is: 3 times of $ 14

                   i.e. 3×14=$ 42.

the 3rd option is right

step-by-step explanation:

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.