Jack bought 4 dozen eggs at $10 per dozen. 6 were broken. what percent of his money goes to waste

he paid = 4*10 = $40

48 eggs = $40

so, waste money would be 6/48 * 100 = 12.5%

Hello!

4 dozen is 48 eggs (if you forget the whole bakers dozen thing). If 6 were broken, that is 1/8. To find our percent, we divide.

1/8=0.125

We multiply by 100 to get a percent.

12.5%

Therefore, 12.5% of his money went to waste.

I hope this helps!

3. parallelogram

step-by-step explanation:

we turn each of our sides into direction vectors

ab=b-a=(3 - 7, 1 - 0) = (-4, 1)

bc=c-b=(1,6)

cd=d-c=(4,-1)

da=a-d=(-1,-6)

we see how the opposite sides have negated direction vectors; this is characteristic of a parallelogram.   we have congruent sides ab=cd and bc=da with unequal lengths because 1^2+6^2 is different from (-4)^2+1^2.   so it's not a square or a rhombus.  

we check the dot product of direction vectors of adjacent sides.   we have

ab dot bc = -4(1) + 1(6) = 2

that's not zero so the sides are not perpendicular.   we've ruled out rectangle.

the direction vectors indicate two pairs of congruent parallel sides, so we choose parallelogram over trapezoid.