Brad went to the mall and bought two sweaters and a pair of pants for $120. The next week he went to the mall and bought one sweater and two pairs of pants, at the same price as last week, for $120. The cost of one sweater is .

Sweater=40

Step-by-step explanation:

2s+p=120

s+2p=120

s=p

120/3=40

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

answer: h=5.6 i don't really know how to put into words, so i though i would let you do that. i hope i was able to some

step-by-step explanation:

18 = 6(h)+1/2

18 = 6h+1/2

18-1 = 6h/2

17 = 3h

17/3 = h

h = 5.6