Simplify the rate to a unit rate and write the unit rate in words.
A. 
; 8.9 hours per dollar
B. 
; 8.9 dollars per hour
C. 
; 118.5 dollars per hours
D. 
; 15 dollars per hour
Answer: B
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Shade the Venn diagram to represent the set.(A ? B ? C')'
A. 
B. 
Draw a Venn diagram and label each basic region with the number of elements in it if n(U) = 30, n(?) = 10, n(B) = 7, n(C) = 13, n(A ? B) = 3, n(B ? C) = 1, n(? ? C) = 4, and n(? ? B ? C) = 1.
What will be an ideal response?
Part of $10,000 is invested at 9%, another part at 10%, and the remainder at 12% yearly interest. The total yearly income from the three investments is $1,075. The sum of the amounts invested at 9% and 10% equals the amount invested at 12%. How much is invested at each rate?
A. $2,500 at 9%, $2,500 at 10%, and $5,000 at 12% B. $3,500 at 9%, $3,500 at 10%, and $4,000 at 12% C. $1,500 at 9%, $3,500 at 10%, and $5,000 at 12% D. $3,500 at 9%, $2,500 at 10%, and $4,000 at 12% E. $1,500 at 9%, $1,500 at 10%, and $6,000 at 12%
Solve the problem.There were 22
yards of wire on a spool. After a customer bought 3
yards of wire from the spool, how many yards were left?
A. 18 yd
B. 19
yd
C. 18
yd
D. 17
yd