First set up a proportion
240/160 = 320/200
Cross multiply and if the left equals the right it is similar.
Answer:
x=-7
Step-by-step explanation:
0.3(8-2x) - 1.2(2-3x) < -21
2.4 - 0.6x - 2.4 + 3.6x < -21
3x < -21
x < -7
If you are meaning Percent... (which I believe you are) .8 is the same as .80, and for percent, take away the decimal and put a percent sign next to it. your answer is 80%
122.5 kg is the answer you’re looking for.
the answer is D) x^2 = 20y