Answer:2.8
Step-by-step explanation: 42/15
-(2/9)
=-{(1/9)+(1/9)}
=-{0.111...+0.111...}
=-0.222...
Answer:
Z=1
Step-by-step explanation:
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150 g flour for 12 cakes
x g flour for 30 cakes
x = (150 x 30) : 12 = 375 g of flour
another method:
150 flour for 12 cakes
??? for 30 cakes
30 : 12 = 2.5
150 x 2.5 = 375 g flour