Alla is meeting to friends at the amusement pack The three of them want to go on 7 hides Each ride costs blickets. The tickets are sold in packs of 20 for $5 or individually for uc eoch 1 How many tickets will they need? 2 What is the least expensive way to wekkets without having any tickets left over? How much will the tickets. cost?​

20 for $5

Step-by-step explanation:

if buying the 20 for $5 you save $3 because if you do 40x20 it =$8

the tickets will cost 25¢ each? with the 20 for $5 deal

you would need to know all the numbers that are on there

step-by-step explanation:

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92