2013 - 1993 = 20
Subtract the first year from the second. If you didn't celebrate your birthday this year yet, subtract one extra year.
Subtract $1000 from the market price.
Subtract.
you have to subtract because when you say hw many than you have to add when you say how much you have to subtract.
it means to subtract
You simply subtract the numbers. 2017 - 1993 ... use your calculator if you can't do it longhand.
If you subtract 2013 from 2000 you are left with 13 so it is 13AD
Subtract 200 from 2013 and you have the answer.
32
just subtract
From 2013 to 3000 is a span of 987 years. To calculate this, subtract 2013 from 3000, which gives you 3000 - 2013 = 987.
"How much ... all together ?" usually means add. "How much ... left ?" usually means subtract.