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Elanso [62]
3 years ago
15

I'm really stuck on this question and if anyone could help me with it I'd be so grateful

Mathematics
1 answer:
erastova [34]3 years ago
3 0

Answer:

150

Step-by-step explanation:

Rate at which volume decrease:

(1 × 2 × 20/100) ÷ 30

= 1/75 m³/min

Total volume:

½ × (1.4 + 0.6) × 2 × 1

= 2 m³

Time = 2 ÷ 1/75

= 150 mins

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8 0
3 years ago
To find 19+(11+37), lennie added 19 and 11. then he added 37 to the sum. what property did he use?
Rudiy27
<span>Lennie used associative law of addition.
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3 0
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