Answer:
D, "I will pay $25 for this book."
Step-by-step explanation
All of the answer choices are "integers"
a,b,c,d are integers, which is basically the set of positive or negative whole numbers. Though they make the restriction that b and d are not zero
a*c is an integer, so is b*d. This is due to the closure property of multiplication of integers (multiply any two integers you want and it leads to another integer)
ac/bd is the ratio of two integers (ac and bd) where bd is nonzero
Answer:
$90
Step-by-step explanation:
$45 is half of $90
or
$45 is 50% of $90
Answer:
232,26
Step-by-step explanation:
because 37×3.14×2=232,26