The largest multiple of 12 less than 151 is 144. This means there are eggs left over.
One property of parallelograms is that the opposite sides are parallel. This means
There are 36 out of 100 yellow cars in the sample. Since the parking lot has 1/(4 ) as many cars as the sample, 1/(4 ) as many yellow cars should be expected.
C=3/4 (100)+20. Since 1/(4 ) of the original $100 was sent to the savings account, 3/(4 ) of the money was kept in cash. The bonus was then added afterward.