Answer:
x=19.4
Step-by-step explanation:
4x+8+6x-22=180
10x-14=180
10x=194
x=19.4
D. 2x+3y=14 is the correct answer.
Answer:
Two sequences have the formulae 3n-1 and 7n+2 . A new sequences is formed by the number which appear in both of these sequences.
Step-by-step explanation:
Red bricks : Grey bricks
5 : 2
Total parts = 5 + 2 = 7
7 parts = 224
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Find 1 part:
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1 part = 234 ÷ 7
1 part = 32
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Find 5 parts:
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5 parts = 32 x 5
5 parts = 160
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Answer: 160 Red bricks
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