What is 1 + 1

the answer is 2 because if you put 1 and 1 together you have 2 ones so you put them together and you have one 2

Me what is the value of x? showing work would be appreciated - ! : )

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?