Adiet is to contain at least 2400 units of vitamins, 1800 units of minerals, and 1200 calories. two foods, food a and food b are to be purchased. each unit of food a provides 50 units of vitamins, 30 units of minerals, and 10 calories. each unit of food b provides 20 units of vitamins, 20 units of minerals, and 40 calories. food a costs $2 per unit and food b cost $1 per unit. what is the minimum cost to purchase the food? round your answer to the nearest whole number. do not include a dollar sign or comma in your answer.

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm

the answer is simply just 6n add the two together as they have an n

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

answer: i think one of the answer is $150 and $300?

step-by-step explanation: