Carlos walked 14 of 20 of school days in February what is the value that is equivalent to the fraction of school days in February that Carlos walked to school . Math

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75