Answer:
Ali's heart rate is 135 times per minute.
Step-by-step explanation:
Let Ali's heart rate be denoted by <em>x</em> times per minute.
It is provided that Ben's heart beats 18 times per minute more than Ali.
The ratio of their heart rates was 15:17.
That is:
Solve for <em>x</em> as follows:
Thus, Ali's heart rate is 135 times per minute.
142=120% of x
120% of x= 1.2x
142=1.2x
142/1.2 = 1.2x/1.2
x= 118.33
The unknown number should be 118.33, rounded to 118 or so.
Answer:
-3
Step-by-step explanation:
-3 because
9-12
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[1,infinity sign) this is the answer
The listo of the factors of
36: {1; 2; 3; 4; 6; 9; 12; 18; 36}
48: {1; 2; 3; 4; 6; 8; 12; 16; 24; 48}
The common factors: {1; 2; 3; 4; 6; 12}
