Mary has 2 more video games than John. Together, they have 30 video games.
How many video games does Mary have?
(Show work pls)

Mary has 16 video games.

Step-by-step explanation:

Let John be and Mary be

Equation:

Combine like terms:

Subtract 2 from both sides:

Divide both sides by 2:

Hold up!

In the beginning, we set as John, and as Mary. The question asks for Mary, so .

Let's check our work:

Replace for 14...

Hope this helped! :)

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x