Using .25N, you set N equal to 18 for 18 quarters. so .25(18) = 4.50
Answer:
the third one 10 cm, 9cm 9cm
Martin's drink equation = option b, 11.99 + d = 14.48
Nora's calzone equation = option a, c - 3 = 9.49
Hope this helps
So, all 8 numbers added up would equal 80. and all 6 numbers added up would equal 72. The subtract them. 80-72 is 8. Then divide by 2 because there are 2 numbers. 8/2 is 4. (4 is your answer)