James want to buy a vidoe game system that cost $310.00 his parents say james must raise 45% of the money himself. how much money must james raise a $124.00 b $135.00 c $139.50 d $170.50

James must attain $139.5 for his game system.

Step-by-step explanation:

When dealing with percentages, keep in mind that a full percentile is 100% which equivalent to 1 whole. So to find your answer, start with moving the decimal in the percentage to the left by 2. Meaning that 45% will be translated to .45. Multiply $310 by .45 and your answer will come out to be $139.50.

1) Slide decimal 2 places left in percentage (45% = .45)

2) Multiply new decimal by total (310 x .45)

3) All done! ($139.50)

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh