Which equation is true? 15 - 112.5 = 7.5
15 : 112.5 = 75
112.5 : 15 = 7.5
112.5 : 15 = 75
What’s the answer

112.5:15=7.5

Step-by-step explanation:

112.5:15

=112.5÷15

=7.5

three-fourths of an hour

36÷48=0.75

0.75=

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,