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[13-2-21)
7 Stoong mostase is made from sand and Cement
in the ratio 30/
a) How mech cement is needed to mise with 90kg Sandy
b) How much and is needed to mire with holeg of cement
c) How much sand is in lookg of strong
mostar?
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Stoong mostase is made from sand and Cement
in the ratio 30/
a) How mech cement is needed to mise with 90kg Sandy
b) How much and is needed to mire with holeg of cement
c) How much sand is in lookg of strong
mostar?
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