Turn 30% into a decimal 0.30 then times it by 129 =£38.70
£129.00-£38.70=£90.30 that be the discount.
6.25=0.0625 as decimal then times it 129.00=£8.06 which is the tax.
£90.30+£8.60
New price £98.90
add all the numbers and check the ones place.
the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490
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