Answer:
Step-by-step explanation:
Total number of stamps = 26 + 45 = 71
You can't reduce whatever you put into the numerator because 71 is prime (nothing but itself and 1 divide into it).
Number of stamps of famous people = 45
Ratio = famous people / total
Ratio = 45 / 71
Answer:
System of equations:
3.5c + 5a = 377
c + a = 85
Solved:
(53, 32)
Step-by-step explanation:
32 children's tickets were sold and 53 adults tickets were sold.
Answer:
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Step-by-step explanation:
Mastercard cards – Begin with a 5 and has 16 digits. American Express cards – Begin with a 3, followed by a 4 or a 7 has 15 digits. Discover cards – Begin with a 6 and have 16 digits. Diners Club and Carte Blanche cards – Begin with a 3, followed by a 0, 6, or 8 and have 14 digits.
Answer:
x = 30
Step-by-step explanation:
In order for the lines to be parallel,
2x + 20 = 80
2x = 60
x = 30