Sheila makes jewelry and buys gold and silver for certain prices. On Monday, the price of the gold was $328 an ounce.
1. About how much money would she need to buy 7 oz of gold? Use rounding.
2. About how much money would she need to buy 4 oz of gold? Use compatible numbers.
1. To buy 7 oz of gold, Sheila would need (7 x $328) approximately $2,296.
2. To buy 4 oz of gold, we can round the price of gold to the nearest hundred dollars. So, $328 can be rounded to $300. Therefore, Sheila would need (4 x $300) approximately $1,200.