Abag contains white marbles and yellow marbles, 45 in total. the number of white marbles is 5 less than 4 times the number of yellow marbles. how many white marbles are there?

There are 35 white marbles

Step-by-step explanation:

y- yellow marbles

4y + 5 = 45

Subtract 5 from both sides

4y = 40

Divide for from both sides

y = 10

Plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

Thus there are only 10 yellow marbles

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral