Answer:
2 (B)
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
- 9.2(8x - 4) + 0.7(2 + 6.3x) ← distribute parenthesis
= - 73.6x + 36.8 + 1.4 + 4.41x ← collect like terms
= -73.6x + 4.41x + 36.8 + 1.4
= - 69.19 + 38.2
Answer:
340 people in total
Step-by-step explanation:
If 45% of the people were children, then 100% - 45% = 55% of the people were adults
Equation : 55% of the people were adults
=> .55 * x = 187, x = the total amount of people
=>187/.55x
=> x = 340
340 people in total
Answer:
166.67 miles
Step-by-step explanation: 381.1 = x + 214.43
381.1-214.43 = 166.67 miles
She is going to practice piano for 80 minutes. First you want to divide the number of minutes in the lesson by 5 to find how many times 5 minutes goes by in 20 minutes. Next you want to multiply your answer for that, which should be 4, by the amount she wants to practice. So you do 4 x 20, and get 80 minutes total.