Answer:
x=2
Step-by-step explanation:
4-(2x-3)=3
2x-3=4-3
2x-3=1
2x=1+3
2x=4
x=4/2
x=2
Answer:
The answer is 36
Step-by-step explanation:
we know 42 students arrived after the dance started and 78 arrived in total. You have to subtract 42 from 78. how I remember this: part+part=whole whole-part=part
Answer:
7 1/2 miles
Step-by-step explanation:
1 1/2 miles in every 1/5 hour
x miles in 1 hour
x equals 1 times 1 1/2 divided by 1/5
x equals 5 times 1 1/2
x equals 7 1/2
35% decrease as a multiplier = 1 - 0.35 = 0.65
1900 x 0.65^4 = 802.75
$802.75
Answer: A 65
Explanation: using PEMDAS you substitute 4 in for k and add 9+4 because it’s in parenthesis. Then you multiply the 13 you get from that by 5 and get 65.