The cost of posting one inland letter is 5k and one overseas letter is 10k. A
messenger spent #1.20 in posting 4
overseas letters and some inland
letters. How many inland letters did
he post?​

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality