Michael says that the dark marbles in Figure 2.25 can't represent because "there are 5 marbles and 5 is more than 1, but is supposed to be less than 1." In a short paragraph, discuss the situation.​

Determine the solution for mc001-1.jpeg

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?