Karen makes $6 per hour baby-sitting and $10 per hour giving music lessons. One weekend, she worked a total of 18 hours and made $144. How many hours did she spend baby-sitting and giving music lessons? Set up a system of equations, then solve by substitution or elimination

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870

answer: the is put the 450

step-by-step explanation:

i believe it is d.) buddhism and e.) hinduism