Answer:
x=20
Step-by-step explanation:
3x - 10 + 5x + 30 = 180
8x + 20 = 180
8x = 160
x = 160/8
x = 20
check:
3(20) - 10 + 5(20) + 30 = 180
60 - 10 + 100 + 30 = 180
50 + 100 + 30 = 180
150 + 30 = 180
180 = 180 ✓
Answer:
6
Step-by-step explanation:
Therefore,
For b. I believe that it is 38
Need an exponential rate to answer
Answer:
if y is the normal number of sweets then the normal number plus 40 percentage equals 42
y+4y=42
1.4y=42
y=42/1.4=30
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