KEY WORDS !!!
How much in all, sum , add ,increase , together , both , grown , combined , additional , total , more , altogether , and , plus , also , in all , join , how many in all.
Faster , cut , difference , longer , gain , how many more , left , sold , minus , less , how much more , larger , fewer , faster , shorter , etc , have left , decrease , take away , less than , remain , subtract.
Every , each out of the question , times , product of , double , by , twice , per , triple .
each in the question , divide , left over , divided by , half , split , per, as much .
About , Estimate , Between.