Jose has 5/6 hour to spend on his homework. He wants to spend 1/3 of his time on math homework, 15 minutes of his time on readin
1 answer:
Jose will spend 18 minutes on his science homework.
Step-by-step explanation:
Given,
Time Jose have to spend on homework = 5/6 hour
We know that 1 hour = 60 minutes
Therefore;
Time Jose have to spend on homework = 50 minutes
Time spent on math home work =
Time spent on math home work =
Rounding off to nearest whole minute;
Time spent on math homework = 17 minutes
Time spent on reading homework = 15 minutes
Total time spent = Mathematics + Reading + Science
50 = 17+15+Science
50 = 32 + Science
Science = 50-32 = 18 minutes
Jose will spend 18 minutes on his science homework.
Keywords: addition, fraction
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Hello,
x,y,z∈ IN
==>
x∈{35,36,37}
y∈{47,48,49}
z∈{141,144,147}
We must go futher:
if x=35 then y=4*35/3=46.666 not good , not whole
if x=36 then y=4*36/3=48 ok
if x=37 then y=37*4/3=49.333.. not good
So there is only one solution (36,48,144) for (x,y,z)
No problem with z for z=3/1*4/3*x=4x ==>whole.
x,y,z∈ IN
x∈{35,36,37}
y∈{47,48,49}
z∈{141,144,147}
We must go futher:
if x=35 then y=4*35/3=46.666 not good , not whole
if x=36 then y=4*36/3=48 ok
if x=37 then y=37*4/3=49.333.. not good
So there is only one solution (36,48,144) for (x,y,z)
No problem with z for z=3/1*4/3*x=4x ==>whole.