Answer:
x = - 8
Step-by-step explanation:
4x - 9 + 3x = 8x - 1
7x - 9 = 8x - 1
7x - 8x - 9 = 8x - 8x - 1
- x - 9 = - 1
- x - 9 + 9 = - 1 + 9
- x = 8
- x ÷ - 1 = 8 ÷ - 1
x = - 8
Answer:
48?
Step-by-step explanation:
24+24=48
I'm not sure if this is right
Step 1: Subtract 8 from both sides
Step 2: divide both sides by -3
Result: (x-8)/-3=y
Answer:
Q1A) $1750
Q1B) 64.3 %
Q2A) $49.50
Q2B) 66%
Step-by-step explanation:
Q1A) Total prize money for competition
= $500/4 × 14
= <u>$</u><u>1</u><u>7</u><u>5</u><u>0</u>
Q1B) Percentage of money given as first prize
= 9/14 × 100%
= <u>6</u><u>4</u><u>.</u><u>3</u><u> </u><u>%</u> (3 s.f)
Q2A) Total amount spent on music, films and books
= $16.50/5 × 15
= <u>$</u><u>4</u><u>9</u><u>.</u><u>5</u><u>0</u>
Q2B) Total amount as a percentage of $75
= 49.5/75 × 100%
= <u>6</u><u>6</u><u>%</u>