Consider a melt that has cooled to a temperature such that olivine, pyroxene, amphibole, and calcium-rich plagioclase feldspar have crystallized.
Which of the following elements will be enriched in the melt, and which will be depleted in the melt?
Magnesium (Mg), sodium (Na), silicon (Si), calcium (Ca), iron (Fe), potassium (K).

Question 51 ptssolve. assume the exercise describes a linear relationship.marty's tee shirt & jacket company is to produce a new line of jackets with a embroidery of atpvtenpoeyiliceorsuit ut itoare fixed costs of $59 u to set ud for production, andvariable costs of $39 per jacket. write an equation that can be used to determine the total costencountered by marty's company in producing x jackets. use the equation to find the total cost ofproducing 50 jackets.$2520s2532o $2540s2552