There several ways you could do it.
Here are two of them:
1). Subtract 404, and you're there.
2). Divide by 10, then add ' 1 ' to the quotient.
717 ounces equals 44 pounds and 13 ounces, so 717 ounces plus 46 pounds equals 44 + 46 pounds and 13 ounces, that is 90 pounds and 13 ounces. 717 ounces 46 pounds = 90 pounds 13 ounces = 90.8 pounds = 1 450 ounces
80 percent of 450 = 36080% of 450= 80% * 450= 0.80* 450= 360
40% of 450 = 18040% of 450= 40% * 450= 0.40 * 450= 180
450
80 percent of 450 = 36080% of 450= 80% * 450= 0.80* 450= 360
12.5% of 450= 12.5% * 450= 0.125 * 450= 56.25
42% of 450= 42% * 450= 0.42 * 450= 189
58% of 450= 58% * 450= 0.58 * 450= 261
16% of 450= 16% * 450= 0.16 * 450= 72
5.2% of 450 = 5.2% * 450 = 0.052 * 450 = 23.4
450-15%=450*.85=450=382.5
24% of 450= 24% * 450= 0.24 * 450= 108