Santiago is trying to show his teacher why the product of two rational numbers is another rational number. His first steps are shown. Which is the best method Santiago
could use to continue?
Let m, n, p, and a represent integers.
By definition, and
are both rational
CLEAR
CHECK
Test with m = 1, n = 2.p = 3, and q = 4. Since and are
both rational, it is clear that the statement is true.
mx P = mxp
n 9 nxa
Show that mp and ng are both integers.
mx P = mxp
n 9 nxo
Since is rational and is rational, then
rational.
n
9
X
n
must be
9
Show that and are all integers.

Muscles, a membership-only gym is hoping to open a new branch in a small city in pennsylvania that currently has no fitness centers. according to their research approximately 12,600 residents live within driving distance of the gym. muscles sends out surveys to a sample of 300 randomly selected residents in this area (all of who respond) and finds that 40 residents say they would visit a gym if one was located in their area. based on the past survey research, muscles estimates that approximately 30% of these respondents would actually join the gym if they opened one in the area. based on this information and the results of the sample survey, about how many residents should muscles expect to join its new branch? a) 134 b) 504 c) 1,680 d) 3,780

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

What is the value of x in the following equation? -3x-2=2x+8