Let the cost of the soft drink = C then the price of the sandwich was 3.5 times as much = 3.5C
And
C + 3.5C = Total Cost
C + 3.5C = 9
4.5C = 9 divide both sides by 4.5
C = 9/4.5 = $2.00 for the soft drink
And 3.5C = 3.5(2.00) = $7.00 cost of the sandwich
Answer:
Yeah that's easy -3
Step-by-step explanation:
+3=3 which the opposite of a positive is a negative. So -3. Hope this help.
Sin 30 = O/H = 1/2
So Sin 30 = 1/2