Jake has 145 bottle caps and daniel has 143 bottle caps. how many bottle caps do they have in all? 145 143 = 288 which of the following problems could be solved in the same way?
a. ed has 76 model trains and mike has 121 model trains. how many trains do they have altogether?
b. henry has to write 32 you letters. he has written 13 so far. how many more letters must he write?
c. mary had 19 oranges. she gave 12 oranges to amy. how many oranges does mary have now?

Pleasse me i need an answer. give me the correct answer. answer if you know it ! the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.