Ray is 2222 years older than his sister mary. in 1212 years, he will be twice as old as mary. how old is each of them now

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Write the following as a base and exponent

10% of 1,900,000. show me how you got the answer