1610
1992
Multiply by 0.80. Example: 200 x 0.80= 160.
1770
240/x = 160/x -20 Multiply all terms by x: 240 = 160 -20x Subtract 160 from both sides: 80 = -20x Divide both sides by -20 to find the value of x: x = -4
MDCCLXX = 1770
160 - 21% = 126.4
The answer is 120, all you have to do is multiply 160 with .25 then subtract 160 from 40 which should be your answer and you will end up with -120, but ignore the negative sign.
1992
You are 40.
160
Multiply by 0.80. Example: 200 x 0.80= 160.
The answer is 144 There is an easy way to work it out. 160 subtract 128 = 32. 32 divided by 2 = 16. 128 plus 16 = 144.
Literal answer : 240 grams. A box with dimensions of 160 cm is just a line with no width nor height. For a box with a volume of 160 cm cubed : just subtract 160 from 240.
1770
15 and 10 if you multiply them. 140 and 10 if you add them. 160 and 10 if you subtract them. 1500 and 10 if you divide them.
240/x = 160/x -20 Multiply all terms by x: 240 = 160 -20x Subtract 160 from both sides: 80 = -20x Divide both sides by -20 to find the value of x: x = -4
Many died in 1770.