Solve the problem.John has a jarful of quarters and nickels. There are 103 coins in the jar. The value of the coins is $16.35. How many of each type of coin are there?
A. 98 quarters; 5 nickels
B. 47 quarters; 56 nickels
C. 56 quarters; 47 nickels
D. 61 quarters; 42 nickels
Answer: C
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Carry out the indicated unit conversion. Round your answer, if appropriate.There are 8 ounces in a cup, 4 cups in a quart, and 4 quarts in a gallon. Using a chain with these conversions, convert 7 gallons into ounces.
A. 1792 ounces B. 224 ounces C. 896 ounces D. 112 ounces
Determine if the argument is valid or invalid. Give a reason to justify answer.If you wear a tie, then you look natty.You do not look natty. ? You are not wearing a tie.
A. Invalid by fallacy of the converse B. Valid by the law of contraposition C. Valid by disjunctive syllogism D. Invalid by fallacy of the inverse
Round the number to the place value indicated.6
,003
A. 62,100 B. 63,000 C. 62,010 D. 62,000
Solve the problem.A moving firm charges a flat fee of $30 plus $25 per hour. Find the cost C(x) of using the moving firm for x hours.
A. C(x) = 30x + 25 B. C(x) = 25x + 30 C. C(x) = 30x - 25 D. C(x) = 25x - 30