Answer:
Step-by-step explanation:
t/30+t/30+t/60=1
2t/60+2t/60+t/60=1
5t/60=1
5t=60
t=12 minutes
it will take about 1/3 of the time (10 minutes)
1/7
Another word for multiplicative inverse is reciprocal
It is the number that when multiplied by the original number gives you one
7 * x = 1
Divide by 7
7x/7 = 1/7
x = 1/7
The multiplicative inverse of 7 is 1/7
25
(-4,-4)
