Answer
a). $100$
b). $558$
Work Step by Step
a). $F=1.8C+32$
$\Delta F=1.8\Delta C$
$\Delta C=7+49=56$
$\Delta F=1.8\times 56=100$
b). $F=1.8C+32$
$\Delta F=1.8\Delta C$
$\Delta C=127+183=310$
$\Delta F=1.8\times 310=558$
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