Respuesta :
Answer:
One large gift costs $60.
Step-by-step explanation:
Mary spent $200 (20 x $10) on small gifts. This means that:
Mary = $200 + 1 large gift
Melanie spent $20 (2 x $10) on small gifts. This mean that:
Melanie = $20 + 4 large gifts
Because the amount Melanie and Mary are equal, we know that:
$200 + 1 large gift = $20 + 4 large gifts
To work out the cost of 1 large gift, you first need to work out the difference of large gifts. (4-1=3). Melanie bought 3 more large gifts than Mary.
This means that:
$200 = $20 + 3 large gifts
Then, subtract $20 from both sides.
$180 = 3 large gifts
Finally, divide both sides by 3 to find the cost of 1 large gift.
$180 ÷ 3 = $60
The price of each large gift would be $60.
Melanie: 4x60=240 large gift
2x10=20 small gift
Total: $240+$20=$260
Mary: 1x60=60 large gift
20x10=200 small gift
Total: $60+$200=$260
Melanie: 4x60=240 large gift
2x10=20 small gift
Total: $240+$20=$260
Mary: 1x60=60 large gift
20x10=200 small gift
Total: $60+$200=$260