How do you turn 1+1+1 into standard form?

If 20% of a number is 35, what is 50% of that number?

Jasmine wants to eat at 8: 00pm her meal takes 65mins to cook what time does she need to put the meal in the oven

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21