Answer:
The number is 7.
Step-by-step explanation:
The unknown number: x
9 (x + 7) = 126
Using the distributive property, 9x + 63 = 126
9x = 63
x = 7
I belive you need to calculate your heart rate first...
72
48÷2= 24
48+24= 72
Hope this helps! :)
0.2(48)= $9.6 [discount]
48-9.6 = $38.40 [total]
