Joel made egg sandwiches and tuna sandwiches in the ratio 2: 3. he then made 15 more tuna sandwiches and the ratio changed to 1: 3. how many sandwiches did joel make in all?

answer using a bar model

Evaluate the given expression if m=45 |-3m|

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.