(07.02)
Jose bought a wallet for $19.95 and y hats for $5.99 each. Which of the following expressions shows the total amount of money he spent? (4 points)
19.95y + 5.99y
19.95y + 5.99
19.95 + 5.99y
19.95 + 5.99 + y
2.
(07.02)
Jessica buys 3 songs every month. Which of the following expressions shows the total number of songs she buys in x months? (4 points)
3 + x
Fraction x over 3
3x
3 + 3x
3.
(07.02)
Which of the following expressions represents the value, in dollars, of a certain number of nickels, n, and dimes, d? (4 points)
0.15nd
0.15n + d
0.10n + 0.05d
0.05n + 0.10d
4.
(07.02)
Tyrone's age is 2 years less than 4 times his younger sister's age. If his younger sister's age is b years, which of the following expressions best shows Tyrone's age? (4 points)
4b
b − 2
2b − 4
4b − 2
5.
(07.02)
Becky is using the expression 2z + 3 to represent the number of chairs in her classroom. There are twice as many chairs as tables, and there are three extra chairs in the back. What does z represent? (4 points)
The number of chairs.
The number of tables.
The number of chairs at tables.
The number of chairs and tables.
Anonymous
answeredI do not need practice; did this in 1953, myself.
