In 1980, when the consumer price index (cpi) was 82.4, ivan purchased a house for $71,900. assuming that the price of houses increased at the same rate as the cpi from 1970 to 1980, approximately how much would the house have cost in 1970, when the cpi was 38.8?

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

This is different from the first one can someone me