Pure gold is 24 carats,21 carat gold is 80% gold and the rest is other metals.18 carat gold is 75% gold and the rest is other metals. a) Work out the ratio of gold to other metals in: i) 18 carat gold ii) 21 carat gold iii) In a Jewelry ratio of gold to other metal is 4 : 1.If the gold used is 8g, then find the weight of other metals and hence find the total weight of the Jewelry..

the car was traveling 40 mph before it started skidding. ( 2 points ) 17. was the driver were her brakes working at 75% efficiency or better? ( 2 points ) yes 29.

step-by-step explanation:

convert the answer to millimeters there are 25.4 millimeters in an inch and 12 inches in a foot so just divide the 5280 feet into a fraction of the numbers till you get to the simplest form you need so (5280 x 12=63360 inches) (63360 x 25.4=1609344 millimeters) (5280/12=440 feet) its as simple as that just break it down to it's simplest form.