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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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
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